[Spice-devel] [linux-agent v1 3/5] After fork, use one expression per line

Victor Toso victortoso at redhat.com
Tue Dec 18 16:18:04 UTC 2018


From: Victor Toso <me at victortoso.com>

And use well defined macros for standard file descriptors.

Signed-off-by: Victor Toso <victortoso at redhat.com>
---
 src/vdagent/vdagent.c   | 8 ++++++--
 src/vdagentd/vdagentd.c | 8 ++++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/vdagent/vdagent.c b/src/vdagent/vdagent.c
index f7c8b72..87dfa7c 100644
--- a/src/vdagent/vdagent.c
+++ b/src/vdagent/vdagent.c
@@ -294,9 +294,13 @@ static int daemonize(void)
     /* detach from terminal */
     switch (fork()) {
     case 0:
-        close(0); close(1); close(2);
+        close(STDIN_FILENO);
+        close(STDOUT_FILENO);
+        close(STDERR_FILENO);
         setsid();
-        x = open("/dev/null", O_RDWR); x = dup(x); x = dup(x);
+        x = open("/dev/null", O_RDWR);
+        x = dup(x);
+        x = dup(x);
         close(fd[0]);
         return fd[1];
     case -1:
diff --git a/src/vdagentd/vdagentd.c b/src/vdagentd/vdagentd.c
index 99683da..a2f0946 100644
--- a/src/vdagentd/vdagentd.c
+++ b/src/vdagentd/vdagentd.c
@@ -949,9 +949,13 @@ static void daemonize(void)
     /* detach from terminal */
     switch (fork()) {
     case 0:
-        close(0); close(1); close(2);
+        close(STDIN_FILENO);
+        close(STDOUT_FILENO);
+        close(STDERR_FILENO);
         setsid();
-        x = open("/dev/null", O_RDWR); x = dup(x); x = dup(x);
+        x = open("/dev/null", O_RDWR);
+        x = dup(x);
+        x = dup(x);
         pidfile = fopen(pidfilename, "w");
         if (pidfile) {
             fprintf(pidfile, "%d\n", (int)getpid());
-- 
2.19.2



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