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/* ISC license. */
#include <skalibs/djbunix.h>
#include <skalibs/cspawn.h>
#include "cspawn-internal.h"
pid_t child_spawn1_internal (char const *prog, char const *const *argv, char const *const *envp, int *p, int to)
{
pid_t pid ;
cspawn_fileaction fa[3] =
{
[0] = { .type = CSPAWN_FA_CLOSE, .x = { .fd = p[!(to & 1)]} },
[1] = { .type = CSPAWN_FA_MOVE, .x = { .fd2 = { [0] = to & 1, [1] = p[to & 1] } } },
[2] = { .type = CSPAWN_FA_COPY, .x = { .fd2 = { [0] = !(to & 1), [1] = to & 1 } } }
} ;
pid = cspawn(prog, argv, envp, CSPAWN_FLAGS_SIGBLOCKNONE, fa, 2 + !!(to & 2)) ;
if (!pid) goto err ;
fd_close(p[to & 1]) ;
return pid ;
err:
fd_close(p[1]) ;
fd_close(p[0]) ;
return 0 ;
}
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