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a919944372
exit() should not be called from within a child process, since it would call functions registered with atexit(), and flush stdio streams. Use _exit() instead.
40 lines
840 B
C
40 lines
840 B
C
#include "../command.h"
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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pid_t cmd_execute(const char *path, const char *const argv[]) {
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pid_t pid = fork();
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if (pid == -1) {
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perror("fork");
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return -1;
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}
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if (pid == 0) {
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execvp(path, (char *const *)argv);
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perror("exec");
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_exit(1);
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}
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return pid;
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}
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SDL_bool cmd_terminate(pid_t pid) {
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return kill(pid, SIGTERM) != -1;
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}
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SDL_bool cmd_simple_wait(pid_t pid, int *exit_code) {
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int status;
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int code;
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if (waitpid(pid, &status, 0) == -1 || !WIFEXITED(status)) {
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// cannot wait, or exited unexpectedly, probably by a signal
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code = -1;
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} else {
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code = WEXITSTATUS(status);
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}
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if (exit_code) {
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*exit_code = code;
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}
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return !code;
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}
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