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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
commit | 3d08cd331c1adcf0d917392f7e527b3f00511748 (patch) | |
tree | 312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man/man3/pthread_self.3 | |
parent | Adding debian version 6.7-2. (diff) | |
download | manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip |
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man/man3/pthread_self.3')
-rw-r--r-- | man/man3/pthread_self.3 | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/man/man3/pthread_self.3 b/man/man3/pthread_self.3 new file mode 100644 index 0000000..1d2f5ce --- /dev/null +++ b/man/man3/pthread_self.3 @@ -0,0 +1,77 @@ +'\" t +.\" Copyright (c) 2008 Linux Foundation, written by Michael Kerrisk +.\" <mtk.manpages@gmail.com> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH pthread_self 3 2024-05-02 "Linux man-pages (unreleased)" +.SH NAME +pthread_self \- obtain ID of the calling thread +.SH LIBRARY +POSIX threads library +.RI ( libpthread ", " \-lpthread ) +.SH SYNOPSIS +.nf +.B #include <pthread.h> +.P +.B pthread_t pthread_self(void); +.fi +.SH DESCRIPTION +The +.BR pthread_self () +function returns the ID of the calling thread. +This is the same value that is returned in +.I *thread +in the +.BR pthread_create (3) +call that created this thread. +.SH RETURN VALUE +This function always succeeds, returning the calling thread's ID. +.SH ERRORS +This function always succeeds. +.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_self () +T} Thread safety MT-Safe +.TE +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001. +.SH NOTES +POSIX.1 allows an implementation wide freedom in choosing +the type used to represent a thread ID; +for example, representation using either an arithmetic type or +a structure is permitted. +Therefore, variables of type +.I pthread_t +can't portably be compared using the C equality operator (\fB==\fP); +use +.BR pthread_equal (3) +instead. +.P +Thread identifiers should be considered opaque: +any attempt to use a thread ID other than in pthreads calls +is nonportable and can lead to unspecified results. +.P +Thread IDs are guaranteed to be unique only within a process. +A thread ID may be reused after a terminated thread has been joined, +or a detached thread has terminated. +.P +The thread ID returned by +.BR pthread_self () +is not the same thing as the kernel thread ID returned by a call to +.BR gettid (2). +.SH SEE ALSO +.BR pthread_create (3), +.BR pthread_equal (3), +.BR pthreads (7) |