diff options
| author | Roger Dingledine <arma@torproject.org> | 2006-02-09 02:59:37 +0000 |
|---|---|---|
| committer | Roger Dingledine <arma@torproject.org> | 2006-02-09 02:59:37 +0000 |
| commit | 28f3765b5aa022da0efa0273ca924e7e5a470481 (patch) | |
| tree | 1312624e10c42353cf9c4e5d862c226cb4b92448 | |
| parent | dbea401305b7c6b5bcbcf53d59720e6a9eca7a05 (diff) | |
| download | tor-28f3765b5aa022da0efa0273ca924e7e5a470481.tar.gz tor-28f3765b5aa022da0efa0273ca924e7e5a470481.zip | |
and maybe some function documentation will help too
svn:r5935
| -rw-r--r-- | src/common/compat.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/common/compat.c b/src/common/compat.c index 689c7eaed4..0d9de300a5 100644 --- a/src/common/compat.c +++ b/src/common/compat.c @@ -441,9 +441,15 @@ tor_socketpair(int family, int type, int protocol, int fd[2]) #define ULIMIT_BUFFER 32 /* keep 32 extra fd's beyond _ConnLimit */ -/** Get the maximum allowed number of file descriptors. (Some systems - * have a low soft limit.) Make sure we set it to at least - * <b>limit</b>. Return a new limit if we can, or -1 if we fail. */ +/** Learn the maximum allowed number of file descriptors. (Some systems + * have a low soft limit. + * + * We compute this by finding the largest number between <b>limit</b> + * and <b>cap</b> that we can use. If we can't find a number greater + * than or equal to <b>limit</b>, then we fail: return -1. + * + * Otherwise, return the number minus some buffer to allow for other + * file descriptors we'll want available for ordinary use. */ int set_max_file_descriptors(unsigned long limit, unsigned long cap) { |