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Top Forums UNIX for Advanced & Expert Users Handling Signals in System Calls Post 302761659 by rupeshkp728 on Saturday 26th of January 2013 10:37:22 AM
Old 01-26-2013
Handling Signals in System Calls

What will happen if signal comes while a system call is being executed?
How it will be handled?
 

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pthread_kill(3T)														  pthread_kill(3T)

NAME
pthread_kill() - send a signal to a thread SYNOPSIS
PARAMETERS
thread Thread to which the signal is to be delivered. sig Signal to be delivered to thread. DESCRIPTION
The function is used to request that a signal be delivered to thread. The signal is asynchronously directed to thread in the calling process. The signal is handled in the context of the given thread; if the signal action results in the thread terminating or stopping, this action is applied to the whole process. If sig is zero, error checking is performed but a signal is not sent. RETURN VALUE
Upon successful completion, returns zero. Otherwise, an error number is returned to indicate the error (the variable is not set). ERRORS
If any of the following occur, the function returns the corresponding error number: [EINVAL] sig is an invalid or unsupported signal number. [ESRCH] No thread could be found corresponding to thread. AUTHOR
was derived from the IEEE POSIX P1003.1c standard. SEE ALSO
kill(2), sigaction(2), pthread_self(3T), raise(2). STANDARDS CONFORMANCE
Pthread Library pthread_kill(3T)
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