diff options
Diffstat (limited to 'sway/main.c')
| -rw-r--r-- | sway/main.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sway/main.c b/sway/main.c index 264fa847..2c760524 100644 --- a/sway/main.c +++ b/sway/main.c @@ -6,6 +6,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <sys/resource.h> #include <sys/stat.h> #include <sys/types.h> #include <sys/wait.h> @@ -27,6 +28,7 @@ static bool terminate_request = false; static int exit_value = 0; +static struct rlimit original_nofile_rlimit = {0}; struct sway_server server = {0}; struct sway_debug debug = {0}; @@ -169,6 +171,33 @@ static bool drop_permissions(void) { return true; } +static void increase_nofile_limit(void) { + if (getrlimit(RLIMIT_NOFILE, &original_nofile_rlimit) != 0) { + sway_log_errno(SWAY_ERROR, "Failed to bump max open files limit: " + "getrlimit(NOFILE) failed"); + return; + } + + struct rlimit new_rlimit = original_nofile_rlimit; + new_rlimit.rlim_cur = new_rlimit.rlim_max; + if (setrlimit(RLIMIT_NOFILE, &new_rlimit) != 0) { + sway_log_errno(SWAY_ERROR, "Failed to bump max open files limit: " + "setrlimit(NOFILE) failed"); + sway_log(SWAY_INFO, "Running with %d max open files", + (int)original_nofile_rlimit.rlim_cur); + } +} + +void restore_nofile_limit(void) { + if (original_nofile_rlimit.rlim_cur == 0) { + return; + } + if (setrlimit(RLIMIT_NOFILE, &original_nofile_rlimit) != 0) { + sway_log_errno(SWAY_ERROR, "Failed to restore max open files limit: " + "setrlimit(NOFILE) failed"); + } +} + void enable_debug_flag(const char *flag) { if (strcmp(flag, "damage=highlight") == 0) { debug.damage = DAMAGE_HIGHLIGHT; @@ -349,6 +378,8 @@ int main(int argc, char **argv) { exit(EXIT_FAILURE); } + increase_nofile_limit(); + // handle SIGTERM signals signal(SIGTERM, sig_handler); signal(SIGINT, sig_handler); |