diff options
Diffstat (limited to 'test/stdlib/test-mkostemp-O_CLOEXEC.c')
-rw-r--r-- | test/stdlib/test-mkostemp-O_CLOEXEC.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/stdlib/test-mkostemp-O_CLOEXEC.c b/test/stdlib/test-mkostemp-O_CLOEXEC.c new file mode 100644 index 000000000..5652086bd --- /dev/null +++ b/test/stdlib/test-mkostemp-O_CLOEXEC.c @@ -0,0 +1,40 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sys/wait.h> +#include <errno.h> + +int main(int argc, char *argv[]) { + int fd, status; + char buff[5]; + char template[] = "/tmp/test-mkostemp.XXXXXX"; + + fd = mkostemp(template, O_CLOEXEC); + unlink(template); + + snprintf(buff, 5, "%d", fd); + + if(!fork()) + if(execl("./test-mkostemp-child", "test-mkostemp-child", buff, NULL) == -1) + exit(EXIT_FAILURE); + + wait(&status); + + memset(buff, 0, 5); + lseek(fd, 0, SEEK_SET); + errno = 0; + if(read(fd, buff, 5) == -1) + exit(EXIT_FAILURE); + + if(!strncmp(buff, "test", 5)) + exit(EXIT_FAILURE); + else + exit(EXIT_SUCCESS); + + close(fd); + exit(EXIT_SUCCESS); +} |