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Error handling

This commit is contained in:
Radon Rosborough 2021-08-13 19:58:57 -07:00
parent f8faba0c8f
commit ca48e7f64f
1 changed files with 16 additions and 4 deletions
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20
system/src/riju-system-privileged.c
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@ -247,7 +247,8 @@ void session(char *uuid, char *lang, char *imageHash)
ts_10ms.tv_sec = 0;
ts_10ms.tv_nsec = 1000 * 1000 * 10;
timeout_msg = "container did not come up within 10 seconds";
signal(SIGALRM, wait_alarm);
if (signal(SIGALRM, wait_alarm) == SIG_ERR)
die("signal failed");
alarm(10);
int fd;
while (1) {
@ -260,7 +261,8 @@ void session(char *uuid, char *lang, char *imageHash)
if (rv != 0 && errno != EINTR)
die("nanosleep failed");
}
signal(SIGALRM, SIG_IGN);
if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
die("signal failed");
pid = fork();
if (pid < 0)
die("fork failed");
@ -339,7 +341,8 @@ void exec(char *uuid, int argc, char **cmdline, bool pty)
}
}
if (dataFIFO != statusFIFO) {
signal(SIGALRM, wait_alarm_group);
if (signal(SIGALRM, wait_alarm_group) == SIG_ERR)
die("signal failed");
alarm(1);
}
while (1) {
@ -353,9 +356,12 @@ void exec(char *uuid, int argc, char **cmdline, bool pty)
if (rv != 0 && errno != EINTR)
die("nanosleep failed");
}
signal(SIGALRM, SIG_IGN);
if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
die("signal failed");
char buf[1024];
if (dataFIFO == inputFIFO) {
if (close(STDOUT_FILENO) < 0)
die("close failed");
while ((len = read(STDIN_FILENO, buf, 1024)) > 0) {
char *ptr = buf;
while (len > 0) {
@ -369,6 +375,8 @@ void exec(char *uuid, int argc, char **cmdline, bool pty)
if (len < 0)
die("read failed");
} else if (dataFIFO == outputFIFO) {
if (close(STDIN_FILENO) < 0)
die("close failed");
while ((len = read(fd, buf, 1024)) > 0) {
fwrite(buf, 1, len, stdout);
if (ferror(stdout))
@ -379,6 +387,10 @@ void exec(char *uuid, int argc, char **cmdline, bool pty)
if (len < 0)
die("read failed");
} else {
if (close(STDIN_FILENO) < 0)
die("close failed");
if (close(STDOUT_FILENO) < 0)
die("close failed");
char line[1024];
char *ptr = line;
int len;