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| author | Mattias Andrée <maandree@kth.se> | 2016-07-11 16:40:53 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2016-07-11 16:40:53 +0200 |
| commit | 3eaa6748f0f57eff6b85e3e4a249ccaeccd09bed (patch) | |
| tree | 90490cee98032eac1bc01178723d89b19ba30470 | |
| parent | Create and listen to socket + do not use deprecated usleep (diff) | |
| download | coopgammad-3eaa6748f0f57eff6b85e3e4a249ccaeccd09bed.tar.gz coopgammad-3eaa6748f0f57eff6b85e3e4a249ccaeccd09bed.tar.bz2 coopgammad-3eaa6748f0f57eff6b85e3e4a249ccaeccd09bed.tar.xz | |
Close file descriptors
Signed-off-by: Mattias Andrée <maandree@kth.se>
| -rw-r--r-- | src/gammad.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/gammad.c b/src/gammad.c index 9534f9f..5450399 100644 --- a/src/gammad.c +++ b/src/gammad.c @@ -17,6 +17,7 @@ */ #include <libgamma.h> +#include <sys/resource.h> #include <sys/socket.h> #include <sys/stat.h> #include <sys/un.h> @@ -430,7 +431,16 @@ int main(int argc, char** argv) if (argc > 0) usage(); - /* TODO Close all file descriptors above stderr */ + /* Close all file descriptors above stderr */ + { + struct rlimit rlimit; + if (getrlimit(RLIMIT_NOFILE, &rlimit) || (rlimit.rlim_cur == RLIM_INFINITY)) + n = 4 << 10; + else + n = (size_t)(rlimit.rlim_cur); + for (i = STDERR_FILENO + 1; i < n; i++) + close((int)i); + } /* Set umask, reset signal handlers, and reset signal mask */ umask(0); |