diff options
Diffstat (limited to 'iscsiuio/src/unix/main.c')
| -rw-r--r-- | iscsiuio/src/unix/main.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/iscsiuio/src/unix/main.c b/iscsiuio/src/unix/main.c index 5e3f66c..0c9ad49 100644 --- a/iscsiuio/src/unix/main.c +++ b/iscsiuio/src/unix/main.c @@ -51,6 +51,7 @@ #ifndef NO_SYSTEMD #include <systemd/sd-daemon.h> #endif +#include <assert.h> #include "uip.h" #include "uip_arp.h" @@ -186,16 +187,17 @@ static void main_usage() static void daemon_init() { int fd; + int res; fd = open("/dev/null", O_RDWR); - if (fd == -1) - exit(-1); + assert(fd >= 0); dup2(fd, 0); dup2(fd, 1); dup2(fd, 2); setsid(); - chdir("/"); + res = chdir("/"); + assert(res == 0); close(fd); } @@ -338,10 +340,12 @@ int main(int argc, char *argv[]) exit(1); } else if (pid) { char msgbuf[4]; + int res; /* parent: wait for child msg then exit */ - close(pipefds[1]); - read(pipefds[0], msgbuf, sizeof(msgbuf)); + close(pipefds[1]); /* close unused end */ + res = read(pipefds[0], msgbuf, sizeof(msgbuf)); + assert(res > 0); exit(0); } @@ -414,9 +418,12 @@ int main(int argc, char *argv[]) goto error; if (!foreground) { + int res; + /* signal parent they can go away now */ - close(pipefds[0]); - write(pipefds[1], "ok\n", 3); + close(pipefds[0]); /* close unused end */ + res = write(pipefds[1], "ok\n", 3); + assert(res > 0); close(pipefds[1]); } |