1 /* fork.c - fork and exec a process, connecting stdin/out w/pipes */
6 #include <sys/socket.h>
18 if ( pipe( p2c ) != 0 || pipe( c2p ) != 0 ) {
19 Debug( LDAP_DEBUG_ANY, "pipe failed\n", 0, 0, 0 );
24 * what we're trying to set up looks like this:
25 * parent *wfp -> p2c[1] | p2c[0] -> stdin child
26 * parent *rfp <- c2p[0] | c2p[1] <- stdout child
29 switch ( (pid = fork()) ) {
33 if ( dup2( p2c[0], 0 ) == -1 || dup2( c2p[1], 1 ) == -1 ) {
34 Debug( LDAP_DEBUG_ANY, "dup2 failed\n", 0, 0, 0 );
38 execv( args[0], args );
40 Debug( LDAP_DEBUG_ANY, "execv failed\n", 0, 0, 0 );
43 case -1: /* trouble */
44 Debug( LDAP_DEBUG_ANY, "fork failed\n", 0, 0, 0 );
53 if ( (*rfp = fdopen( c2p[0], "r" )) == NULL || (*wfp = fdopen( p2c[1],
55 Debug( LDAP_DEBUG_ANY, "fdopen failed\n", 0, 0, 0 );