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pthread_kill()

Send a signal to a thread

Synopsis:

#include <signal.h>

int pthread_kill( pthread_t thread,
                  int sig );

Arguments:

thread

The ID of the thread that you want to send the signal to, which you can get when you call pthread_create() or pthread_self().

sig

The signal that you want to send, or 0 if you just want to check for errors.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The pthread_kill() function sends the signal sig to the thread thread. The target thread and calling thread must be in the same process. If sig is zero, error checking is performed but no signal is sent.

Returns:

EOK

Success.

EAGAIN

Insufficient system resources are available to deliver the signal.

ESRCH

Invalid thread ID thread.

EINVAL

Invalid signal number sig.

Classification:

POSIX 1003.1 THR

Safety:
Cancellation point	No
Interrupt handler	No
Signal handler	Yes
Thread	Yes

See also:

kill(), ThreadDestroy()

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