usleep(3) - NetBSD Manual Pages

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USLEEP(3)                 NetBSD Programmer's Manual                 USLEEP(3)


NAME

     usleep - suspend execution for interval of microseconds


SYNOPSIS

     #include <unistd.h>

     void
     usleep(u_int microseconds);


DESCRIPTION

     The usleep() function suspends execution of the calling process until ei-
     ther the number of microseconds specified by microseconds have elapsed or
     a signal is delivered to the calling process and its action is to invoke
     a signal catching function or to terminate the process.  The suspension
     time may be longer than requested due to the scheduling of other activity
     by the system.


RETURN VALUE

     The usleep() function returns no value.


SEE ALSO

     nanosleep(2),  sleep(3)


HISTORY

     The usleep() function appeared in 4.3BSD.

4.3 Berkeley Distribution        June 4, 1993                                1