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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
commit | 399644e47874bff147afb19c89228901ac39340e (patch) | |
tree | 1c4c0b733f4c16b5783b41bebb19194a9ef62ad1 /man3/pthread_attr_setstacksize.3 | |
parent | Initial commit. (diff) | |
download | manpages-399644e47874bff147afb19c89228901ac39340e.tar.xz manpages-399644e47874bff147afb19c89228901ac39340e.zip |
Adding upstream version 6.05.01.upstream/6.05.01
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | man3/pthread_attr_setstacksize.3 | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/man3/pthread_attr_setstacksize.3 b/man3/pthread_attr_setstacksize.3 new file mode 100644 index 0000000..278346e --- /dev/null +++ b/man3/pthread_attr_setstacksize.3 @@ -0,0 +1,115 @@ +'\" t +.\" Copyright (c) 2008 Linux Foundation, written by Michael Kerrisk +.\" <mtk.manpages@gmail.com> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH pthread_attr_setstacksize 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +pthread_attr_setstacksize, pthread_attr_getstacksize \- set/get stack size +attribute in thread attributes object +.SH LIBRARY +POSIX threads library +.RI ( libpthread ", " \-lpthread ) +.SH SYNOPSIS +.nf +.B #include <pthread.h> +.PP +.BI "int pthread_attr_setstacksize(pthread_attr_t *" attr \ +", size_t " stacksize ); +.BI "int pthread_attr_getstacksize(const pthread_attr_t *restrict " attr , +.BI " size_t *restrict " stacksize ); +.fi +.SH DESCRIPTION +The +.BR pthread_attr_setstacksize () +function sets the stack size attribute of the +thread attributes object referred to by +.I attr +to the value specified in +.IR stacksize . +.PP +The stack size attribute determines the minimum size (in bytes) that +will be allocated for threads created using the thread attributes object +.IR attr . +.PP +The +.BR pthread_attr_getstacksize () +function returns the stack size attribute of the +thread attributes object referred to by +.I attr +in the buffer pointed to by +.IR stacksize . +.SH RETURN VALUE +On success, these functions return 0; +on error, they return a nonzero error number. +.SH ERRORS +.BR pthread_attr_setstacksize () +can fail with the following error: +.TP +.B EINVAL +The stack size is less than +.B PTHREAD_STACK_MIN +(16384) bytes. +.PP +On some systems, +.\" e.g., MacOS +.BR pthread_attr_setstacksize () +can fail with the error +.B EINVAL +if +.I stacksize +is not a multiple of the system page size. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR pthread_attr_setstacksize (), +.BR pthread_attr_getstacksize () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH VERSIONS +These functions are provided since glibc 2.1. +.SH STANDARDS +POSIX.1-2001, POSIX.1-2008. +.SH NOTES +For details on the default stack size of new threads, see +.BR pthread_create (3). +.PP +A thread's stack size is fixed at the time of thread creation. +Only the main thread can dynamically grow its stack. +.PP +The +.BR pthread_attr_setstack (3) +function allows an application to set both the size and location +of a caller-allocated stack that is to be used by a thread. +.SH BUGS +As at glibc 2.8, +if the specified +.I stacksize +is not a multiple of +.B STACK_ALIGN +(16 bytes on most architectures), it may be rounded +.IR downward , +in violation of POSIX.1, which says that the allocated stack will +be at least +.I stacksize +bytes. +.SH EXAMPLES +See +.BR pthread_create (3). +.SH SEE ALSO +.BR getrlimit (2), +.BR pthread_attr_init (3), +.BR pthread_attr_setguardsize (3), +.BR pthread_attr_setstack (3), +.BR pthread_create (3), +.BR pthreads (7) |