Blame src/internal/slibtool_spawn_impl.h
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/*******************************************************************/
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/* slibtool: a skinny libtool implementation, written in C */
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/* Copyright (C) 2016 Z. Gilboa */
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/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
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/*******************************************************************/
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#include <unistd.h>
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#include <stdbool.h>
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#include <sys/wait.h>
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#ifndef SLBT_USE_FORK
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#ifndef SLBT_USE_VFORK
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#ifndef SLBT_USE_POSIX_SPAWN
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#define SLBT_USE_POSIX_SPAWN
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#endif
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#endif
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#endif
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#ifdef SLBT_USE_POSIX_SPAWN
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#include <spawn.h>
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#endif
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extern char ** environ;
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static inline int slbt_spawn(
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struct slbt_exec_ctx * ectx,
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bool fwait)
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{
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pid_t pid;
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#ifdef SLBT_USE_POSIX_SPAWN
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if (posix_spawnp(
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&pid,
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ectx->program,
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0,0,
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ectx->argv,
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ectx->envp ? ectx->envp : environ))
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pid = -1;
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#else
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#ifdef SLBT_USE_FORK
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pid = fork();
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#else
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pid = vfork();
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#endif
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#endif
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if (pid < 0)
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return -1;
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if (pid == 0)
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return execvp(
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ectx->program,
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ectx->argv);
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ectx->pid = pid;
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if (fwait)
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return waitpid(
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pid,
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&ectx->exitcode,
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0);
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return 0;
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}
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