1 /* fork.c - fork and exec a process, connecting stdin/out w/pipes */
8 #include <sys/socket.h>
20 if ( pipe( p2c ) != 0 || pipe( c2p ) != 0 ) {
21 Debug( LDAP_DEBUG_ANY, "pipe failed\n", 0, 0, 0 );
26 * what we're trying to set up looks like this:
27 * parent *wfp -> p2c[1] | p2c[0] -> stdin child
28 * parent *rfp <- c2p[0] | c2p[1] <- stdout child
31 switch ( (pid = fork()) ) {
35 if ( dup2( p2c[0], 0 ) == -1 || dup2( c2p[1], 1 ) == -1 ) {
36 Debug( LDAP_DEBUG_ANY, "dup2 failed\n", 0, 0, 0 );
40 execv( args[0], args );
42 Debug( LDAP_DEBUG_ANY, "execv failed\n", 0, 0, 0 );
45 case -1: /* trouble */
46 Debug( LDAP_DEBUG_ANY, "fork failed\n", 0, 0, 0 );
55 if ( (*rfp = fdopen( c2p[0], "r" )) == NULL || (*wfp = fdopen( p2c[1],
57 Debug( LDAP_DEBUG_ANY, "fdopen failed\n", 0, 0, 0 );