Date: Wed, 31 Jan 1996 08:15:16 +1100 From: Bruce Evans <bde@zeta.org.au> To: current@freebsd.org, dyson@freebsd.org Subject: new pipes fail several tests #2 Message-ID: <199601302115.IAA26417@godzilla.zeta.org.au>
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Writes to a pipe with no reader don't return -1/EPIPE. Bruce #include <sys/types.h> #include <assert.h> #include <errno.h> #include <signal.h> #include <stdio.h> #include <unistd.h> #define check(what, expected) assert((what, expected)) sig_atomic_t caught; static void catch(int s) { caught = 1; } int main(void) { char buf[1]; int fd[2]; int r; r = pipe(fd); check("pipe", r == 0); check("signal", signal(SIGPIPE, catch) != SIG_ERR); r = close(fd[0]); check("close", r == 0); r = write(fd[1], buf, 1); printf("wrote %d bytes, errno = %d, caught = %d\n", r, errno, caught); check("write", r == -1); check("write", errno == EPIPE); check("write", caught == 1); return 0; }
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