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Open stdin, stdout and stderr only after /etc/rc has executed. (/etc/rc

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executes it itself.) This avoids keeping /dev nodes on the temporary
root filesystem (initial mfs) in use unnecessarily.
This commit is contained in:
Ben Gras 2008-12-11 14:43:25 +00:00
parent 1d8aed840c
commit e9f0c576a3
1 changed files with 8 additions and 5 deletions
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13
servers/init/init.c
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@ -74,11 +74,12 @@ int main(void)
struct sigaction sa; struct sigaction sa;
struct stat stb; struct stat stb;
if (fstat(0, &stb) < 0) { #define OPENFDS \
/* Open standard input, output & error. */ if (fstat(0, &stb) < 0) { \
(void) open("/dev/null", O_RDONLY); /* Open standard input, output & error. */ \
(void) open("/dev/log", O_WRONLY); (void) open("/dev/null", O_RDONLY); \
dup(1); (void) open("/dev/log", O_WRONLY); \
dup(1); \
} }
sigemptyset(&sa.sa_mask); sigemptyset(&sa.sa_mask);
@ -123,6 +124,8 @@ int main(void)
_exit(1); /* impossible, we hope */ _exit(1); /* impossible, we hope */
} }
OPENFDS;
/* Clear /etc/utmp if it exists. */ /* Clear /etc/utmp if it exists. */
if ((fd = open(PATH_UTMP, O_WRONLY | O_TRUNC)) >= 0) close(fd); if ((fd = open(PATH_UTMP, O_WRONLY | O_TRUNC)) >= 0) close(fd);