diff options
| -rw-r--r-- | development/chicken/README | 2 | ||||
| -rw-r--r-- | development/chicken/chicken.SlackBuild | 27 | ||||
| -rw-r--r-- | development/chicken/chicken.info | 10 | ||||
| -rw-r--r-- | development/chicken/patches/01_all_CVE-2013-1874.patch | 25 | ||||
| -rw-r--r-- | development/chicken/patches/02_all_CVE-2013-2024.patch | 47 | ||||
| -rw-r--r-- | development/chicken/patches/03_all_CVE-2013-2075_1.patch | 161 | ||||
| -rw-r--r-- | development/chicken/patches/04_all_CVE-2013-2075_2.patch | 309 | ||||
| -rw-r--r-- | development/chicken/slack-desc | 4 |
8 files changed, 572 insertions, 13 deletions
diff --git a/development/chicken/README b/development/chicken/README index 727a9401f1..48910f01c1 100644 --- a/development/chicken/README +++ b/development/chicken/README @@ -1,4 +1,4 @@ -chicken is a compiler that translates Scheme source files into C, +Chicken is a compiler that translates Scheme source files into C, which in turn can be fed to a C compiler to generate a standalone executable. An interpreter is also available and can be used as a scripting environment or for test programs before compilation. diff --git a/development/chicken/chicken.SlackBuild b/development/chicken/chicken.SlackBuild index 02a153c2ba..af53a7f16f 100644 --- a/development/chicken/chicken.SlackBuild +++ b/development/chicken/chicken.SlackBuild @@ -1,12 +1,12 @@ #!/bin/sh -# Slackware build script for Chicken +# Slackware build script for Chicken Scheme -# Written by Patrick Pippen (dabittweiler@gmail.com) +# Written by Erik Falor (ewfalor@gmail.com) PRGNAM=chicken -VERSION=${VERSION:-4.6.0} -BUILD=${BUILD:-2} +VERSION=${VERSION:-4.8.0.4} +BUILD=${BUILD:-1} TAG=${TAG:-_SBo} # Automatically determine the architecture we're building on: @@ -59,13 +59,30 @@ for f in defaults.make Makefile.linux rules.make sed "s,ARCH,zARCH," -i ${f} done +# Due to the way Chicken generates C code from Scheme sources, it is expensive +# to apply a patch to the generated C files. Instead, we first build an +# unpatched bootstrap Chicken compiler - this will allow us to apply the +# security patches to the Scheme source code of Chicken itself, allowing us to +# rebuild Chicken from scratch. + +make boot-chicken \ + C_COMPILER_OPTIMIZATION_OPTIONS="$SLKCFLAGS" \ + PLATFORM=linux \ + PREFIX=/usr + +# Apply the security patches to Chicken's Scheme sources +for P in $CWD/patches/* ; do patch -p1 -i $P ; done + +# Build Chicken anew using the bootstrapping compiler to generate new C files +# from our patched code make \ C_COMPILER_OPTIMIZATION_OPTIONS="$SLKCFLAGS" \ PLATFORM=linux \ PREFIX=/usr \ LIBDIR=/usr/lib${LIBDIRSUFFIX} \ TOPMANDIR=/usr/man \ - DOCDIR=/usr/doc/$PRGNAM-$VERSION + DOCDIR=/usr/doc/$PRGNAM-$VERSION \ + CHICKEN=./chicken-boot make install \ C_COMPILER_OPTIMIZATION_OPTIONS="$SLKCFLAGS" \ diff --git a/development/chicken/chicken.info b/development/chicken/chicken.info index 95635d2735..36915274f2 100644 --- a/development/chicken/chicken.info +++ b/development/chicken/chicken.info @@ -1,10 +1,10 @@ PRGNAM="chicken" -VERSION="4.6.0" +VERSION="4.8.0.4" HOMEPAGE="http://wiki.call-cc.org" -DOWNLOAD="http://code.call-cc.org/releases/4.6.0/chicken-4.6.0.tar.gz" -MD5SUM="538a93e786e550ad848a040bcd902184" +DOWNLOAD="http://code.call-cc.org/releases/4.8.0/chicken-4.8.0.4.tar.gz" +MD5SUM="71621afa6a39df98d011db08c76e2fa0" DOWNLOAD_x86_64="" MD5SUM_x86_64="" REQUIRES="" -MAINTAINER="Patrick Pippen" -EMAIL="dabittweiler@gmail.com" +MAINTAINER="Erik Falor" +EMAIL="ewfalor@gmail.com" diff --git a/development/chicken/patches/01_all_CVE-2013-1874.patch b/development/chicken/patches/01_all_CVE-2013-1874.patch new file mode 100644 index 0000000000..599ae61d32 --- /dev/null +++ b/development/chicken/patches/01_all_CVE-2013-1874.patch @@ -0,0 +1,25 @@ +From http://lists.nongnu.org/archive/html/chicken-hackers/2013-03/msg00074.html +--- chicken-4.8.0.3/csi.scm ++++ chicken-4.8.0.3/csi.scm +@@ -1019,13 +1019,11 @@ EOF + (cons (cadr p) (loop (cddr p)))) ) ] + [else '()] ) ) ) + (define (loadinit) +- (let ([fn (##sys#string-append "./" init-file)]) +- (if (file-exists? fn) +- (load fn) +- (let* ([prefix (chop-separator (or (get-environment-variable "HOME") "."))] +- [fn (string-append prefix "/" init-file)] ) +- (when (file-exists? fn) +- (load fn) ) ) ) ) ) ++ (and-let* ((home (get-environment-variable "HOME")) ++ ((not (string=? home "")))) ++ (let ((fn (string-append (chop-separator home) "/" init-file))) ++ (when (file-exists? fn) ++ (load fn) ) ) ) ) + (define (evalstring str #!optional (rec (lambda _ (void)))) + (let ((in (open-input-string str))) + (do ([x (read in) (read in)]) +-- +1.7.12 + diff --git a/development/chicken/patches/02_all_CVE-2013-2024.patch b/development/chicken/patches/02_all_CVE-2013-2024.patch new file mode 100644 index 0000000000..d57a4bce97 --- /dev/null +++ b/development/chicken/patches/02_all_CVE-2013-2024.patch @@ -0,0 +1,47 @@ +From http://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git;a=commit;h=58684f69572453acc6fed7326fa9df39be98760e +--- chicken-4.8.0.3/setup-api.scm ++++ chicken-4.8.0.3/setup-api.scm +@@ -239,7 +239,7 @@ + (cond ((string=? prg "csc") + (string-intersperse + (cons* +- (shellpath (find-program "csc")) ++ (find-program "csc") + "-feature" "compiling-extension" + (if (or (deployment-mode) + (and (feature? #:cross-chicken) +--- chicken-4.8.0.3/utils.scm ++++ chicken-4.8.0.3/utils.scm +@@ -59,20 +59,18 @@ + ;;; Quote string for shell + + (define (qs str #!optional (platform (build-platform))) +- (case platform +- ((mingw32) +- (string-append "\"" str "\"")) +- (else +- (if (zero? (string-length str)) +- "''" +- (string-concatenate +- (map (lambda (c) +- (if (or (char-whitespace? c) +- (memq c '(#\# #\" #\' #\` #\´ #\~ #\& #\% #\$ #\! #\* #\; +- #\< #\> #\\ #\( #\) #\[ #\] #\{ #\} #\?))) +- (string #\\ c) +- (string c))) +- (string->list str))))))) ++ (let ((delim (if (eq? platform 'mingw32) #\" #\')) ++ (escaped (if (eq? platform 'mingw32) "\"\"" "'\\''"))) ++ (string-append ++ (string delim) ++ (string-concatenate ++ (map (lambda (c) ++ (cond ++ ((char=? c delim) escaped) ++ ((char=? c #\nul) (error 'qs "NUL character can not be represented in shell string" str)) ++ (else (string c)))) ++ (string->list str))) ++ (string delim)))) + + + ;;; Compile and load file diff --git a/development/chicken/patches/03_all_CVE-2013-2075_1.patch b/development/chicken/patches/03_all_CVE-2013-2075_1.patch new file mode 100644 index 0000000000..d3de47bb6e --- /dev/null +++ b/development/chicken/patches/03_all_CVE-2013-2075_1.patch @@ -0,0 +1,161 @@ +From 9e2022652258e8a30e5cedbf0abc9cd85a0f6af7 Mon Sep 17 00:00:00 2001 +From: Peter Bex <peter.bex@xs4all.nl> +Date: Thu, 18 Apr 2013 00:31:08 +0200 +Subject: [PATCH] Implement file-select in terms of POSIX poll() for UNIX + +Signed-off-by: felix <felix@call-with-current-continuation.org> +--- + posixunix.scm | 116 ++++++++++++++++++++++++++------------------------------ + 1 files changed, 54 insertions(+), 62 deletions(-) + +diff --git a/posixunix.scm b/posixunix.scm +index 15cb535..90e0176 100644 +--- a/posixunix.scm ++++ b/posixunix.scm +@@ -67,6 +67,7 @@ static C_TLS int C_wait_status; + #endif + + #include <sys/mman.h> ++#include <sys/poll.h> + #include <time.h> + + #ifndef O_FSYNC +@@ -136,7 +137,6 @@ static C_TLS struct { + static C_TLS int C_pipefds[ 2 ]; + static C_TLS time_t C_secs; + static C_TLS struct tm C_tm; +-static C_TLS fd_set C_fd_sets[ 2 ]; + static C_TLS struct timeval C_timeval; + static C_TLS char C_hostbuf[ 256 ]; + static C_TLS struct stat C_statbuf; +@@ -303,13 +303,6 @@ static C_TLS sigset_t C_sigset; + #define C_fseek(p, n, w) C_mk_nbool(fseek(C_port_file(p), C_num_to_int(n), C_unfix(w))) + #define C_lseek(fd, o, w) C_fix(lseek(C_unfix(fd), C_unfix(o), C_unfix(w))) + +-#define C_zero_fd_set(i) FD_ZERO(&C_fd_sets[ i ]) +-#define C_set_fd_set(i, fd) FD_SET(fd, &C_fd_sets[ i ]) +-#define C_test_fd_set(i, fd) FD_ISSET(fd, &C_fd_sets[ i ]) +-#define C_C_select(m) C_fix(select(C_unfix(m), &C_fd_sets[ 0 ], &C_fd_sets[ 1 ], NULL, NULL)) +-#define C_C_select_t(m, t) (C_set_timeval(t, &C_timeval), \ +- C_fix(select(C_unfix(m), &C_fd_sets[ 0 ], &C_fd_sets[ 1 ], NULL, &C_timeval))) +- + #define C_ctime(n) (C_secs = (n), ctime(&C_secs)) + + #if defined(__SVR4) || defined(C_MACOSX) +@@ -656,60 +649,59 @@ EOF + + ;;; I/O multiplexing: + +-(define file-select +- (let ([fd_zero (foreign-lambda void "C_zero_fd_set" int)] +- [fd_set (foreign-lambda void "C_set_fd_set" int int)] +- [fd_test (foreign-lambda bool "C_test_fd_set" int int)] ) +- (lambda (fdsr fdsw . timeout) +- (let ([fdmax 0] +- [tm (if (pair? timeout) (car timeout) #f)] ) +- (fd_zero 0) +- (fd_zero 1) +- (cond [(not fdsr)] +- [(fixnum? fdsr) +- (set! fdmax fdsr) +- (fd_set 0 fdsr) ] +- [else +- (##sys#check-list fdsr 'file-select) +- (for-each +- (lambda (fd) +- (##sys#check-exact fd 'file-select) +- (set! fdmax (##core#inline "C_i_fixnum_max" fdmax fd)) +- (fd_set 0 fd) ) +- fdsr) ] ) +- (cond [(not fdsw)] +- [(fixnum? fdsw) +- (set! fdmax fdsw) +- (fd_set 1 fdsw) ] +- [else +- (##sys#check-list fdsw 'file-select) +- (for-each +- (lambda (fd) +- (##sys#check-exact fd 'file-select) +- (set! fdmax (##core#inline "C_i_fixnum_max" fdmax fd)) +- (fd_set 1 fd) ) +- fdsw) ] ) +- (let ([n (cond [tm +- (##sys#check-number tm 'file-select) +- (##core#inline "C_C_select_t" (fx+ fdmax 1) tm) ] +- [else (##core#inline "C_C_select" (fx+ fdmax 1))] ) ] ) +- (cond [(fx< n 0) +- (posix-error #:file-error 'file-select "failed" fdsr fdsw) ] +- [(fx= n 0) (values (if (pair? fdsr) '() #f) (if (pair? fdsw) '() #f))] +- [else +- (values +- (and fdsr +- (if (fixnum? fdsr) +- (fd_test 0 fdsr) +- (let ([lstr '()]) +- (for-each (lambda (fd) (when (fd_test 0 fd) (set! lstr (cons fd lstr)))) fdsr) +- lstr) ) ) +- (and fdsw +- (if (fixnum? fdsw) +- (fd_test 1 fdsw) +- (let ([lstw '()]) +- (for-each (lambda (fd) (when (fd_test 1 fd) (set! lstw (cons fd lstw)))) fdsw) +- lstw) ) ) ) ] ) ) ) ) ) ) ++(define (file-select fdsr fdsw . timeout) ++ (let* ((tm (if (pair? timeout) (car timeout) #f)) ++ (fdsrl (cond ((not fdsr) '()) ++ ((fixnum? fdsr) (list fdsr)) ++ (else (##sys#check-list fdsr 'file-select) ++ fdsr))) ++ (fdswl (cond ((not fdsw) '()) ++ ((fixnum? fdsw) (list fdsw)) ++ (else (##sys#check-list fdsw 'file-select) ++ fdsw))) ++ (nfdsr (##sys#length fdsrl)) ++ (nfdsw (##sys#length fdswl)) ++ (nfds (fx+ nfdsr nfdsw)) ++ (fds-blob (##sys#make-blob ++ (fx* nfds (foreign-value "sizeof(struct pollfd)" int))))) ++ (when tm (##sys#check-number tm)) ++ (do ((i 0 (fx+ i 1)) ++ (fdsrl fdsrl (cdr fdsrl))) ++ ((null? fdsrl)) ++ ((foreign-lambda* void ((int i) (int fd) (scheme-pointer p)) ++ "struct pollfd *fds = p;" ++ "fds[i].fd = fd; fds[i].events = POLLIN;") i (car fdsrl) fds-blob)) ++ (do ((i nfdsr (fx+ i 1)) ++ (fdswl fdswl (cdr fdswl))) ++ ((null? fdswl)) ++ ((foreign-lambda* void ((int i) (int fd) (scheme-pointer p)) ++ "struct pollfd *fds = p;" ++ "fds[i].fd = fd; fds[i].events = POLLOUT;") i (car fdswl) fds-blob)) ++ (let ((n ((foreign-lambda int "poll" scheme-pointer int int) ++ fds-blob nfds (if tm (inexact->exact (* (max 0 tm) 1000)) -1)))) ++ (cond ((fx< n 0) ++ (posix-error #:file-error 'file-select "failed" fdsr fdsw) ) ++ ((fx= n 0) (values (if (pair? fdsr) '() #f) (if (pair? fdsw) '() #f))) ++ (else ++ (let ((rl (let lp ((i 0) (res '()) (fds fdsrl)) ++ (cond ((null? fds) (##sys#fast-reverse res)) ++ (((foreign-lambda* bool ((int i) (scheme-pointer p)) ++ "struct pollfd *fds = p;" ++ "C_return(fds[i].revents & (POLLIN|POLLERR|POLLHUP|POLLNVAL));") ++ i fds-blob) ++ (lp (fx+ i 1) (cons (car fds) res) (cdr fds))) ++ (else (lp (fx+ i 1) res (cdr fds)))))) ++ (wl (let lp ((i nfdsr) (res '()) (fds fdswl)) ++ (cond ((null? fds) (##sys#fast-reverse res)) ++ (((foreign-lambda* bool ((int i) (scheme-pointer p)) ++ "struct pollfd *fds = p;" ++ "C_return(fds[i].revents & (POLLOUT|POLLERR|POLLHUP|POLLNVAL));") ++ i fds-blob) ++ (lp (fx+ i 1) (cons (car fds) res) (cdr fds))) ++ (else (lp (fx+ i 1) res (cdr fds))))))) ++ (values ++ (and fdsr (if (fixnum? fdsr) (and (memq fdsr rl) fdsr) rl)) ++ (and fdsw (if (fixnum? fdsw) (and (memq fdsw wl) fdsw) wl))))))))) + + + ;;; File attribute access: +-- +1.7.2.1 + diff --git a/development/chicken/patches/04_all_CVE-2013-2075_2.patch b/development/chicken/patches/04_all_CVE-2013-2075_2.patch new file mode 100644 index 0000000000..b85ea7c8b2 --- /dev/null +++ b/development/chicken/patches/04_all_CVE-2013-2075_2.patch @@ -0,0 +1,309 @@ +From http://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git;a=commitdiff;h=556108092774086b6c86c2e27daf3f740ffec091 + +--- chicken-4.8.0.3/chicken.h ++++ chicken-4.8.0.3/chicken.h +@@ -1668,6 +1668,7 @@ + C_fctexport C_word C_fcall C_read_char(C_word port) C_regparm; + C_fctexport C_word C_fcall C_peek_char(C_word port) C_regparm; + C_fctexport C_word C_fcall C_execute_shell_command(C_word string) C_regparm; ++C_fctexport int C_fcall C_check_fd_ready(int fd) C_regparm; + C_fctexport C_word C_fcall C_char_ready_p(C_word port) C_regparm; + C_fctexport C_word C_fcall C_fudge(C_word fudge_factor) C_regparm; + C_fctexport void C_fcall C_raise_interrupt(int reason) C_regparm; +--- chicken-4.8.0.3/posixunix.scm ++++ chicken-4.8.0.3/posixunix.scm +@@ -493,16 +493,7 @@ + "if(val == -1) C_return(0);" + "C_return(fcntl(fd, F_SETFL, val | O_NONBLOCK) != -1);" ) ) + +-(define ##sys#file-select-one +- (foreign-lambda* int ([int fd]) +- "fd_set in;" +- "struct timeval tm;" +- "FD_ZERO(&in);" +- "FD_SET(fd, &in);" +- "tm.tv_sec = tm.tv_usec = 0;" +- "if(select(fd + 1, &in, NULL, NULL, &tm) == -1) C_return(-1);" +- "else C_return(FD_ISSET(fd, &in) ? 1 : 0);" ) ) +- ++(define ##sys#file-select-one (foreign-lambda int "C_check_fd_ready" int) ) + + ;;; Lo-level I/O: + +--- chicken-4.8.0.3/runtime.c ++++ chicken-4.8.0.3/runtime.c +@@ -60,6 +60,11 @@ + # define EOVERFLOW 0 + #endif + ++/* TODO: Include sys/select.h? Windows doesn't seem to have it... */ ++#ifdef HAVE_POSIX_POLL ++# include <poll.h> ++#endif ++ + #if !defined(C_NONUNIX) + + # include <sys/types.h> +@@ -4036,20 +4041,39 @@ + return C_fix(n); + } + ++/* ++ * TODO: Implement something for Windows that supports selecting on ++ * arbitrary fds (there, select() only works on network sockets and ++ * poll() is not available at all). ++ */ ++C_regparm int C_fcall C_check_fd_ready(int fd) ++{ ++#ifdef HAVE_POSIX_POLL ++ struct pollfd ps; ++ ps.fd = fd; ++ ps.events = POLLIN; ++ return poll(&ps, 1, 0); ++#else ++ fd_set in; ++ struct timeval tm; ++ int rv; ++ FD_ZERO(&in); ++ FD_SET(fd, &in); ++ tm.tv_sec = tm.tv_usec = 0; ++ rv = select(fd + 1, &in, NULL, NULL, &tm); ++ if(rv > 0) { rv = FD_ISSET(fd, &in) ? 1 : 0; } ++ return rv; ++#endif ++} + + C_regparm C_word C_fcall C_char_ready_p(C_word port) + { +-#if !defined(C_NONUNIX) +- fd_set fs; +- struct timeval to; +- int fd = C_fileno(C_port_file(port)); +- +- FD_ZERO(&fs); +- FD_SET(fd, &fs); +- to.tv_sec = to.tv_usec = 0; +- return C_mk_bool(C_select(fd + 1, &fs, NULL, NULL, &to) == 1); +-#else ++#if defined(C_NONUNIX) ++ /* The best we can currently do on Windows... */ + return C_SCHEME_TRUE; ++#else ++ int fd = C_fileno(C_port_file(port)); ++ return C_mk_bool(C_check_fd_ready(fd) == 1); + #endif + } + +--- chicken-4.8.0.3/tcp.scm ++++ chicken-4.8.0.3/tcp.scm +@@ -46,6 +46,7 @@ + # define fcntl(a, b, c) 0 + # define EWOULDBLOCK 0 + # define EINPROGRESS 0 ++# define EAGAIN 0 + # define typecorrect_getsockopt(socket, level, optname, optval, optlen) \ + getsockopt(socket, level, optname, (char *)optval, optlen) + #else +@@ -111,6 +112,7 @@ + (define ##net#recv (foreign-lambda int "recv" int scheme-pointer int int)) + (define ##net#shutdown (foreign-lambda int "shutdown" int int)) + (define ##net#connect (foreign-lambda int "connect" int scheme-pointer int)) ++(define ##net#check-fd-ready (foreign-lambda int "C_check_fd_ready" int)) + + (define ##net#send + (foreign-lambda* +@@ -177,30 +179,6 @@ + if((se = getservbyname(serv, proto)) == NULL) C_return(0); + else C_return(ntohs(se->s_port));") ) + +-(define ##net#select +- (foreign-lambda* int ((int fd)) +- "fd_set in; +- struct timeval tm; +- int rv; +- FD_ZERO(&in); +- FD_SET(fd, &in); +- tm.tv_sec = tm.tv_usec = 0; +- rv = select(fd + 1, &in, NULL, NULL, &tm); +- if(rv > 0) { rv = FD_ISSET(fd, &in) ? 1 : 0; } +- C_return(rv);") ) +- +-(define ##net#select-write +- (foreign-lambda* int ((int fd)) +- "fd_set out; +- struct timeval tm; +- int rv; +- FD_ZERO(&out); +- FD_SET(fd, &out); +- tm.tv_sec = tm.tv_usec = 0; +- rv = select(fd + 1, NULL, &out, NULL, &tm); +- if(rv > 0) { rv = FD_ISSET(fd, &out) ? 1 : 0; } +- C_return(rv);") ) +- + (define ##net#gethostaddr + (foreign-lambda* bool ((scheme-pointer saddr) (c-string host) (unsigned-short port)) + "struct hostent *he = gethostbyname(host);" +@@ -212,13 +190,6 @@ + "addr->sin_addr = *((struct in_addr *)he->h_addr);" + "C_return(1);") ) + +-(define (yield) +- (##sys#call-with-current-continuation +- (lambda (return) +- (let ((ct ##sys#current-thread)) +- (##sys#setslot ct 1 (lambda () (return (##core#undefined)))) +- (##sys#schedule) ) ) ) ) +- + (define ##net#parse-host + (let ((substring substring)) + (lambda (host proto) +@@ -343,7 +314,9 @@ + (outbufsize (tbs)) + (outbuf (and outbufsize (fx> outbufsize 0) "")) + (tmr (tcp-read-timeout)) ++ (dlr (and tmr (+ (current-milliseconds) tmr))) + (tmw (tcp-write-timeout)) ++ (dlw (and tmw (+ (current-milliseconds) tmw))) + (read-input + (lambda () + (let loop () +@@ -351,12 +324,11 @@ + (cond ((eq? -1 n) + (cond ((or (eq? errno _ewouldblock) + (eq? errno _eagain)) +- (when tmr +- (##sys#thread-block-for-timeout! +- ##sys#current-thread +- (+ (current-milliseconds) tmr) ) ) ++ (when dlr ++ (##sys#thread-block-for-timeout! ++ ##sys#current-thread dlr) ) + (##sys#thread-block-for-i/o! ##sys#current-thread fd #:input) +- (yield) ++ (##sys#thread-yield!) + (when (##sys#slot ##sys#current-thread 13) + (##sys#signal-hook + #:network-timeout-error +@@ -386,7 +358,7 @@ + c) ) ) + (lambda () + (or (fx< bufindex buflen) +- (let ((f (##net#select fd))) ++ (let ((f (##net#check-fd-ready fd))) + (when (eq? f -1) + (##sys#update-errno) + (##sys#signal-hook +@@ -469,12 +441,11 @@ + (cond ((eq? -1 n) + (cond ((or (eq? errno _ewouldblock) + (eq? errno _eagain)) +- (when tmw ++ (when dlw + (##sys#thread-block-for-timeout! +- ##sys#current-thread +- (+ (current-milliseconds) tmw) ) ) +- (##sys#thread-block-for-i/o! ##sys#current-thread fd #:output) +- (yield) ++ ##sys#current-thread dlw) ) ++ (##sys#thread-block-for-i/o! ##sys#current-thread fd #:output) ++ (##sys#thread-yield!) + (when (##sys#slot ##sys#current-thread 13) + (##sys#signal-hook + #:network-timeout-error +@@ -528,38 +499,29 @@ + + (define (tcp-accept tcpl) + (##sys#check-structure tcpl 'tcp-listener) +- (let ((fd (##sys#slot tcpl 1)) +- (tma (tcp-accept-timeout))) ++ (let* ((fd (##sys#slot tcpl 1)) ++ (tma (tcp-accept-timeout)) ++ (dla (and tma (+ tma (current-milliseconds))))) + (let loop () +- (if (eq? 1 (##net#select fd)) +- (let ((fd (##net#accept fd #f #f))) +- (cond ((not (eq? -1 fd)) (##net#io-ports fd)) +- ((eq? errno _eintr) +- (##sys#dispatch-interrupt loop)) +- (else +- (##sys#update-errno) +- (##sys#signal-hook +- #:network-error +- 'tcp-accept +- (##sys#string-append "could not accept from listener - " strerror) +- tcpl)))) +- (begin +- (when tma +- (##sys#thread-block-for-timeout! +- ##sys#current-thread +- (+ (current-milliseconds) tma) ) ) +- (##sys#thread-block-for-i/o! ##sys#current-thread fd #:input) +- (yield) +- (when (##sys#slot ##sys#current-thread 13) +- (##sys#signal-hook +- #:network-timeout-error +- 'tcp-accept +- "accept operation timed out" tma fd) ) +- (loop) ) ) ) ) ) ++ (when dla ++ (##sys#thread-block-for-timeout! ##sys#current-thread dla) ) ++ (##sys#thread-block-for-i/o! ##sys#current-thread fd #:input) ++ (##sys#thread-yield!) ++ (if (##sys#slot ##sys#current-thread 13) ++ (##sys#signal-hook ++ #:network-timeout-error ++ 'tcp-accept ++ "accept operation timed out" tma fd) ) ++ (let ((fd (##net#accept fd #f #f))) ++ (cond ((not (eq? -1 fd)) (##net#io-ports fd)) ++ ((eq? errno _eintr) ++ (##sys#dispatch-interrupt loop)) ++ (else ++ (network-error 'tcp-accept "could not accept from listener" tcpl)))) ) ) ) + + (define (tcp-accept-ready? tcpl) + (##sys#check-structure tcpl 'tcp-listener 'tcp-accept-ready?) +- (let ((f (##net#select (##sys#slot tcpl 1)))) ++ (let ((f (##net#check-fd-ready (##sys#slot tcpl 1)))) + (when (eq? -1 f) + (##sys#update-errno) + (##sys#signal-hook +@@ -578,8 +540,9 @@ + (define general-strerror (foreign-lambda c-string "strerror" int)) + + (define (tcp-connect host . more) +- (let ((port (optional more #f)) +- (tmc (tcp-connect-timeout))) ++ (let* ((port (optional more #f)) ++ (tmc (tcp-connect-timeout)) ++ (dlc (and tmc (+ (current-milliseconds) tmc)))) + (##sys#check-string host) + (unless port + (set!-values (host port) (##net#parse-host host "tcp")) +@@ -606,23 +569,9 @@ + (let loop () + (when (eq? -1 (##net#connect s addr _sockaddr_in_size)) + (cond ((eq? errno _einprogress) +- (let loop2 () +- (let ((f (##net#select-write s))) +- (when (eq? f -1) (fail)) +- (unless (eq? f 1) +- (when tmc +- (##sys#thread-block-for-timeout! +- ##sys#current-thread +- (+ (current-milliseconds) tmc) ) ) +- (##sys#thread-block-for-i/o! ##sys#current-thread s #:all) +- (yield) +- (when (##sys#slot ##sys#current-thread 13) +- (##net#close s) +- (##sys#signal-hook +- #:network-timeout-error +- 'tcp-connect +- "connect operation timed out" tmc s) ) +- (loop2) ) ) )) ++ (when dlc ++ (##sys#thread-block-for-timeout! ##sys#current-thread dlc)) ++ (##sys#thread-block-for-i/o! ##sys#current-thread s #:all)) + ((eq? errno _eintr) + (##sys#dispatch-interrupt loop)) + (else (fail) ) ))) diff --git a/development/chicken/slack-desc b/development/chicken/slack-desc index ef74faf7da..0a2b5da964 100644 --- a/development/chicken/slack-desc +++ b/development/chicken/slack-desc @@ -6,9 +6,9 @@ # customary to leave one space after the ':' except on otherwise blank lines. |-----handy-ruler------------------------------------------------------| -chicken: chicken (a practical and portable scheme system) +chicken: Chicken (a practical and portable scheme system) chicken: -chicken: chicken is a compiler that translates Scheme source files into C, +chicken: Chicken is a compiler that translates Scheme source files into C, chicken: which in turn can be fed to a C compiler to generate a standalone chicken: executable. An interpreter is also available and can be used as a chicken: scripting environment or for test programs before compilation. |