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PTHREAD_YIELD(3) Linux Programmer's Manual PTHREAD_YIELD(3)
NAME
pthread_yield - yield the processor
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <pthread.h>
int pthread_yield(void);
Compile and link with -pthread.
DESCRIPTION
Note: This function is deprecated; see below.
pthread_yield() causes the calling thread to relinquish the CPU. The thread is placed at the end of the run queue for its static priority and another thread is
scheduled to run. For further details, see sched_yield(2)
RETURN VALUE
On success, pthread_yield() returns 0; on error, it returns an error number.
ERRORS
On Linux, this call always succeeds (but portable and future-proof applications should nevertheless handle a possible error return).
VERSIONS
Since glibc 2.34, this function is marked as deprecated.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
┌──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────┤
│pthread_yield() │ Thread safety │ MT-Safe │
└──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┴───────────────┴─────────┘
CONFORMING TO
This call is nonstandard, but present on several other systems. Use the standardized sched_yield(2) instead.
NOTES
On Linux, this function is implemented as a call to sched_yield(2).
pthread_yield() is intended for use with real-time scheduling policies (i.e., SCHED_FIFO or SCHED_RR). Use of pthread_yield() with nondeterministic scheduling
policies such as SCHED_OTHER is unspecified and very likely means your application design is broken.
SEE ALSO
sched_yield(2), pthreads(7), sched(7)
Linux 2021-03-22 PTHREAD_YIELD(3)