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Address style comments for pause.c

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Run clang-format on the C files and capitalize error messages.
This commit is contained in:
Lee Verberne 2016-11-22 23:13:03 +00:00
parent 81d27aa239
commit c1520e15ff
2 changed files with 32 additions and 28 deletions
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25
build-tools/pause/orphan.c
View File

@ -20,16 +20,17 @@ limitations under the License.
#include <unistd.h>
int main() {
pid_t pid;
pid = fork();
if ( pid == 0 ) {
while ( getppid() > 1 );
printf("Child exiting: pid=%d ppid=%d\n", getpid(), getppid());
return 0;
} else if ( pid > 0 ) {
printf("Parent exiting: pid=%d ppid=%d\n", getpid(), getppid());
return 0;
}
perror("Could not create child");
return 1;
pid_t pid;
pid = fork();
if (pid == 0) {
while (getppid() > 1)
;
printf("Child exiting: pid=%d ppid=%d\n", getpid(), getppid());
return 0;
} else if (pid > 0) {
printf("Parent exiting: pid=%d ppid=%d\n", getpid(), getppid());
return 0;
}
perror("Could not create child");
return 1;
}

35
build/pause/pause.c
View File

@ -22,28 +22,31 @@ limitations under the License.
#include <unistd.h>
static void sigdown(int signo) {
psignal(signo, "shutting down, got signal");
exit(0);
psignal(signo, "Shutting down, got signal");
exit(0);
}
static void sigreap(int signo) {
while (waitpid(-1, NULL, WNOHANG) > 0);
while (waitpid(-1, NULL, WNOHANG) > 0)
;
}
int main() {
if (getpid() != 1) {
fprintf(stderr, "Warning: pause should be the first process in a pod\n");
}
if (getpid() != 1)
fprintf(stderr, "Warning: pause should be the first process in a pod\n");
if (sigaction(SIGINT, &(struct sigaction){.sa_handler = sigdown}, NULL) < 0)
return 1;
if (sigaction(SIGTERM, &(struct sigaction){.sa_handler = sigdown}, NULL) < 0)
return 2;
if (sigaction(SIGCHLD, &(struct sigaction){.sa_handler = sigreap, .sa_flags = SA_NOCLDSTOP}, NULL) < 0)
return 3;
sigaction(SIGKILL, &(struct sigaction){.sa_handler = sigdown}, NULL);
if (sigaction(SIGINT, &(struct sigaction){.sa_handler = sigdown}, NULL) < 0)
return 1;
if (sigaction(SIGTERM, &(struct sigaction){.sa_handler = sigdown}, NULL) < 0)
return 2;
if (sigaction(SIGCHLD, &(struct sigaction){.sa_handler = sigreap,
.sa_flags = SA_NOCLDSTOP},
NULL) < 0)
return 3;
sigaction(SIGKILL, &(struct sigaction){.sa_handler = sigdown}, NULL);
for (;;) pause();
fprintf(stderr, "error: infinite loop terminated\n");
return 42;
for (;;)
pause();
fprintf(stderr, "Error: infinite loop terminated\n");
return 42;
}