1PTHREAD_KILL(3) Linux Programmer's Manual PTHREAD_KILL(3)
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6 pthread_kill - send a signal to a thread
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9 #include <signal.h>
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11 int pthread_kill(pthread_t thread, int sig);
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13 Compile and link with -pthread.
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16 The pthread_kill() function sends the signal sig to thread, another
17 thread in the same process as the caller. The signal is asynchronously
18 directed to thread.
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20 If sig is 0, then no signal is sent, but error checking is still per‐
21 formed; this can be used to check for the existence of a thread ID.
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24 On success, pthread_kill() returns 0; on error, it returns an error
25 number, and no signal is sent.
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28 ESRCH No thread with the ID thread could be found.
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30 EINVAL An invalid signal was specified.
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33 POSIX.1-2001.
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36 Signal dispositions are process-wide: if a signal handler is installed,
37 the handler will be invoked in the thread thread, but if the disposi‐
38 tion of the signal is "stop", "continue", or "terminate", this action
39 will affect the whole process.
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42 kill(2) sigaction(2), sigpending(2), pthread_self(3), pthread_sig‐
43 mask(3), raise(3), pthreads(7), signal(7)
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46 This page is part of release 3.22 of the Linux man-pages project. A
47 description of the project, and information about reporting bugs, can
48 be found at http://www.kernel.org/doc/man-pages/.
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52Linux 2009-01-28 PTHREAD_KILL(3)