about summary refs log tree commit diff
path: root/manual/socket.texi
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1997-10-29 20:33:40 +0000
committerUlrich Drepper <drepper@redhat.com>1997-10-29 20:33:40 +0000
commitdd7d45e838a42b0ed470c44b55901ea98d0c2bab (patch)
tree446414c64662a5c665483243759abf74060027df /manual/socket.texi
parentaf6f39063b4433ee73647159200d105994d75b49 (diff)
downloadglibc-dd7d45e838a42b0ed470c44b55901ea98d0c2bab.tar.gz
glibc-dd7d45e838a42b0ed470c44b55901ea98d0c2bab.tar.xz
glibc-dd7d45e838a42b0ed470c44b55901ea98d0c2bab.zip
Update.
1997-10-29 21:20  Ulrich Drepper  <drepper@cygnus.com>

	* libio/strops.c (_IO_str_seekoff): If mode is zero and the read/write
	pointers are tied set mode according to current stream mode.

	* include/features.h [_GNU_SOURCE] (_POSIX_C_SOURCE): Define to
	199506L.
	Define _XOPEN_SOURCE to 500 if _POSIX_C_SOURCE is defined.
	* manual/creature.texi: Describe this.

	* manual/socket.texi: Describe connect, accept, send, sendmsg, sendto,
	recv, recvfrom, and recvmsg as cancelation points.
	* sysdeps/unix/inet/syscalls.list: Add __libc_* names for these
	functions.

1997-10-17  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* Make-dist (try-sysdeps): Don't look for stub files anymore.

	* manual/maint.texi (Porting): Remove another reference to stub
	directory.

	* sysdeps/unix/bsd/sun/sethostid.c: Include stub version from
	generic subdir.
	* sysdeps/unix/sysv/irix4/reboot.c: Likewise.
	* sysdeps/unix/sysv/irix4/swapon.c: Likewise

1997-10-29 03:54  Ulrich Drepper  <drepper@cygnus.com>

	* resolv/nss_dns/dns-host.c: Change variable pointed to by h_errnop
	in all error cases (PR 244).

1997-10-29 00:56  Ulrich Drepper  <drepper@cygnus.com>

	* posix/glob.c: Fix handling of expressions like "*/" (PR 325).
	Optimize by using mempcpy.

1997-10-17  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* po/Makefile ($(mo-installed)): Don't fail during installation if
	files don't exist (might happen if msgfmt doesn't exist) (PR 328).
	Suggested by Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>.

1997-10-24  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/generic/bits/errno.h (ENOMSG): Define it.
	Pointed out by Klaus Espenlaub
	<kespenla@hydra.informatik.uni-ulm.de> (PR libc/259).

1997-10-28 17:40  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/s_cbrt.c: Testing the returned exponent for
	zero isn't enough to determine illegal arguments.
	* sysdeps/libm-ieee754/s_cbrtf.c: Likewise.
	* sysdeps/libm-ieee754/s_cbrtl.c: Likewise.

1997-10-28 17:14  Ulrich Drepper  <drepper@cygnus.com>

	* manual/filesys.texi (S_ISVTX): Describe that it is available with
	_BSD_SOURCE only.
	Reported by Jochen Hein <jochen.hein@delphi.central.de>.

1997-10-28 04:26  Ulrich Drepper  <drepper@cygnus.com>

	* time/tzfile.c (__tzfile_compute): Use negated value of offset for
	timezone variable.
	* time/tzset.c (tz_compute): Likewise.
	Reported by Erik Troan <ewt@redhat.com>.

1997-10-28 02:51  Ulrich Drepper  <drepper@cygnus.com>

	* manual/filesys.texi: Correct prototype in readdir_r description.
	Reported by Jim Meyering <meyering@eng.ascend.com>.

1997-10-27  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* math/libm-test.c (cbrt_test): Add test for cbrt(0.970299).

1997-10-26 19:39  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* stdlib/l64a.c: Produce a useful result for n < 0.
	* stdlib/a64l.c: Use unsigned type for working variable.
	* manual/string.texi (general): Grammar, typo, overfull fixes.
	(strlen): Insert warning about sizeof(char *).
	(a64l, l64a): Make documentation agree with implementation.

	* libio/iofdopen.c: Use _IO_FILE_complete, not _IO_FILE_plus.
	* posix/unistd.h: Add prototypes for __pread, __pread64, __pwrite
Diffstat (limited to 'manual/socket.texi')
-rw-r--r--manual/socket.texi48
1 files changed, 48 insertions, 0 deletions
diff --git a/manual/socket.texi b/manual/socket.texi
index 76d7863728..45b9bbb892 100644
--- a/manual/socket.texi
+++ b/manual/socket.texi
@@ -1769,6 +1769,12 @@ completely established, will fail with @code{EALREADY}.
 The socket @var{socket} is non-blocking and already has a pending
 connection in progress (see @code{EINPROGRESS} above).
 @end table
+
+This function is defined as a cancelation point in multi-threaded
+programs.  So one has to be prepared for this and make sure that
+possibly allocated resources (like memory, files descriptors,
+semaphores or whatever) are freed even if the thread is cancel.
+@c @xref{pthread_cleanup_push}, for a method how to do this.
 @end deftypefun
 
 @node Listening
@@ -1897,6 +1903,12 @@ The descriptor @var{socket} does not support this operation.
 @var{socket} has nonblocking mode set, and there are no pending
 connections immediately available.
 @end table
+
+This function is defined as a cancelation point in multi-threaded
+programs.  So one has to be prepared for this and make sure that
+possibly allocated resources (like memory, files descriptors,
+semaphores or whatever) are freed even if the thread is cancel.
+@c @xref{pthread_cleanup_push}, for a method how to do this.
 @end deftypefun
 
 The @code{accept} function is not allowed for sockets using
@@ -2023,6 +2035,12 @@ case, @code{send} generates a @code{SIGPIPE} signal first; if that
 signal is ignored or blocked, or if its handler returns, then
 @code{send} fails with @code{EPIPE}.
 @end table
+
+This function is defined as a cancelation point in multi-threaded
+programs.  So one has to be prepared for this and make sure that
+possibly allocated resources (like memory, files descriptors,
+semaphores or whatever) are freed even if the thread is cancel.
+@c @xref{pthread_cleanup_push}, for a method how to do this.
 @end deftypefun
 
 @node Receiving Data
@@ -2067,6 +2085,12 @@ The operation was interrupted by a signal before any data was read.
 @item ENOTCONN
 You never connected this socket.
 @end table
+
+This function is defined as a cancelation point in multi-threaded
+programs.  So one has to be prepared for this and make sure that
+possibly allocated resources (like memory, files descriptors,
+semaphores or whatever) are freed even if the thread is cancel.
+@c @xref{pthread_cleanup_push}, for a method how to do this.
 @end deftypefun
 
 @node Socket Data Options
@@ -2366,6 +2390,12 @@ system on your machine usually does not know this.
 
 It is also possible for one call to @code{sendto} to report an error
 due to a problem related to a previous call.
+
+This function is defined as a cancelation point in multi-threaded
+programs.  So one has to be prepared for this and make sure that
+possibly allocated resources (like memory, files descriptors,
+semaphores or whatever) are freed even if the thread is cancel.
+@c @xref{pthread_cleanup_push}, for a method how to do this.
 @end deftypefun
 
 @node Receiving Datagrams
@@ -2398,6 +2428,12 @@ if you are not interested in this information.
 The @var{flags} are interpreted the same way as for @code{recv}
 (@pxref{Socket Data Options}).  The return value and error conditions
 are also the same as for @code{recv}.
+
+This function is defined as a cancelation point in multi-threaded
+programs.  So one has to be prepared for this and make sure that
+possibly allocated resources (like memory, files descriptors,
+semaphores or whatever) are freed even if the thread is cancel.
+@c @xref{pthread_cleanup_push}, for a method how to do this.
 @end deftypefun
 
 You can use plain @code{recv} (@pxref{Receiving Data}) instead of
@@ -2420,11 +2456,23 @@ you don't want to specify @var{flags} (@pxref{I/O Primitives}).
 @comment sys/socket.h
 @comment BSD
 @deftypefun int sendmsg (int @var{socket}, const struct msghdr *@var{message}, int @var{flags})
+
+This function is defined as a cancelation point in multi-threaded
+programs.  So one has to be prepared for this and make sure that
+possibly allocated resources (like memory, files descriptors,
+semaphores or whatever) are freed even if the thread is cancel.
+@c @xref{pthread_cleanup_push}, for a method how to do this.
 @end deftypefun
 
 @comment sys/socket.h
 @comment BSD
 @deftypefun int recvmsg (int @var{socket}, struct msghdr *@var{message}, int @var{flags})
+
+This function is defined as a cancelation point in multi-threaded
+programs.  So one has to be prepared for this and make sure that
+possibly allocated resources (like memory, files descriptors,
+semaphores or whatever) are freed even if the thread is cancel.
+@c @xref{pthread_cleanup_push}, for a method how to do this.
 @end deftypefun
 @end ignore