afdb269c76
We don't actually use these va_list based variants of run_command anymore. I'm removing them before I make further improvements. Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
#include "cache.h"
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#include "run-command.h"
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#include "exec_cmd.h"
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int run_command_v_opt(const char **argv, int flags)
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{
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pid_t pid = fork();
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if (pid < 0)
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return -ERR_RUN_COMMAND_FORK;
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if (!pid) {
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if (flags & RUN_COMMAND_NO_STDIN) {
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int fd = open("/dev/null", O_RDWR);
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dup2(fd, 0);
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close(fd);
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}
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if (flags & RUN_COMMAND_STDOUT_TO_STDERR)
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dup2(2, 1);
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if (flags & RUN_GIT_CMD) {
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execv_git_cmd(argv);
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} else {
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execvp(argv[0], (char *const*) argv);
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}
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die("exec %s failed.", argv[0]);
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}
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for (;;) {
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int status, code;
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pid_t waiting = waitpid(pid, &status, 0);
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if (waiting < 0) {
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if (errno == EINTR)
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continue;
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error("waitpid failed (%s)", strerror(errno));
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return -ERR_RUN_COMMAND_WAITPID;
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}
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if (waiting != pid)
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return -ERR_RUN_COMMAND_WAITPID_WRONG_PID;
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if (WIFSIGNALED(status))
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return -ERR_RUN_COMMAND_WAITPID_SIGNAL;
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if (!WIFEXITED(status))
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return -ERR_RUN_COMMAND_WAITPID_NOEXIT;
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code = WEXITSTATUS(status);
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if (code)
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return -code;
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return 0;
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}
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}
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