diff options
Diffstat (limited to 'source3/param/loadparm.c')
| -rw-r--r-- | source3/param/loadparm.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/source3/param/loadparm.c b/source3/param/loadparm.c index 37af7038c1..cb568256c7 100644 --- a/source3/param/loadparm.c +++ b/source3/param/loadparm.c @@ -4657,6 +4657,42 @@ static void init_printer_values(struct service *pService) } } +/** + * Function to return the default value for the maximum number of open + * file descriptors permitted. This function tries to consult the + * kernel-level (sysctl) and ulimit (getrlimit()) values and goes + * the smaller of those. + */ +static int max_open_files(void) +{ + int sysctl_max; + struct rlimit rl; + bool sysctl_worked = false, rlimit_worked = false; + +#ifdef HAVE_SYSCTLBYNAME + size_t size = sizeof(sysctl_max); + if (sysctlbyname("kern.maxfilesperproc", &sysctl_max, &size, NULL,0)==0) + sysctl_worked = true; +#endif + + if (getrlimit(RLIMIT_NOFILE, &rl) == 0) + rlimit_worked = true; + + if (sysctl_worked) { + if ((!rlimit_worked) || + (rl.rlim_cur == RLIM_INFINITY) || + (rl.rlim_cur > sysctl_max)) + return sysctl_max; + else + return rl.rlim_cur; + } else { + if ((!rlimit_worked) || + (rl.rlim_cur == RLIM_INFINITY)) + return MAX_OPEN_FILES; + else + return rl.rlim_cur; + } +} /** * Common part of freeing allocated data for one parameter. @@ -4880,7 +4916,7 @@ static void init_globals(bool first_time_only) Globals.getwd_cache = true; Globals.bLargeReadwrite = True; Globals.max_log_size = 5000; - Globals.max_open_files = MAX_OPEN_FILES; + Globals.max_open_files = max_open_files(); Globals.open_files_db_hash_size = SMB_OPEN_DATABASE_TDB_HASH_SIZE; Globals.maxprotocol = PROTOCOL_NT1; Globals.minprotocol = PROTOCOL_CORE; |