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Linux man pages : pause (2)
PAUSE(2)		   Linux Programmer's Manual		      PAUSE(2)

NAME

pause - wait for signal

SYNOPSIS

#include <unistd.h> int pause(void);

DESCRIPTION

The pause library function causes the invoking process (or thread) to sleep until a signal is received that either terminates it or causes it to call a signal-catching function.

RETURN VALUE

The pause function only returns when a signal was caught and the sig- nal-catching function returned. In this case pause returns -1, and errno is set to EINTR.

ERRORS

EINTR a signal was caught and the signal-catching function returned.

CONFORMING TO

SVr4, SVID, POSIX, X/OPEN, BSD 4.3

SEE ALSO

kill(2), select(2), signal(2) Linux 1995-08-31 PAUSE(2)