1 .\" Copyright (c) 2008, Linux Foundation, written by Michael Kerrisk
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26 .TH SIGWAIT 3 2013-12-16 "Linux" "Linux Programmer's Manual"
28 sigwait \- wait for a signal
31 .B #include <signal.h>
33 .BI " int sigwait(const sigset_t *" set ", int *" sig );
37 Feature Test Macro Requirements for glibc (see
38 .BR feature_test_macros (7)):
43 _POSIX_C_SOURCE\ >=\ 1 || _XOPEN_SOURCE || _POSIX_SOURCE
48 function suspends execution of the calling thread until
49 one of the signals specified in the signal set
52 The function accepts the signal
53 (removes it from the pending list of signals),
54 and returns the signal number in
64 returns only the signal number, rather than a
66 structure describing the signal.
68 The return values of the two functions are different.
73 On error, it returns a positive error number (listed in ERRORS).
77 .\" Does not occur for glibc.
79 contains an invalid signal number.
81 .SS Multithreading (see pthreads(7))
84 function is thread-safe.
93 .BR pthread_sigmask (3).
103 This page is part of release 3.79 of the Linux
106 A description of the project,
107 information about reporting bugs,
108 and the latest version of this page,
110 \%http://www.kernel.org/doc/man\-pages/.