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Diffstat (limited to 'src/basic/constants.h')
| -rw-r--r-- | src/basic/constants.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/basic/constants.h b/src/basic/constants.h new file mode 100644 index 0000000..6bb5f3c --- /dev/null +++ b/src/basic/constants.h @@ -0,0 +1,97 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#if !defined(HAS_FEATURE_MEMORY_SANITIZER) +# if defined(__has_feature) +# if __has_feature(memory_sanitizer) +# define HAS_FEATURE_MEMORY_SANITIZER 1 +# endif +# endif +# if !defined(HAS_FEATURE_MEMORY_SANITIZER) +# define HAS_FEATURE_MEMORY_SANITIZER 0 +# endif +#endif + +#if !defined(HAS_FEATURE_ADDRESS_SANITIZER) +# ifdef __SANITIZE_ADDRESS__ +# define HAS_FEATURE_ADDRESS_SANITIZER 1 +# elif defined(__has_feature) +# if __has_feature(address_sanitizer) +# define HAS_FEATURE_ADDRESS_SANITIZER 1 +# endif +# endif +# if !defined(HAS_FEATURE_ADDRESS_SANITIZER) +# define HAS_FEATURE_ADDRESS_SANITIZER 0 +# endif +#endif + +#define DEFAULT_RESTART_USEC (100*USEC_PER_MSEC) + +/* Many different things, but also system unit start/stop */ +#define DEFAULT_TIMEOUT_USEC (DEFAULT_TIMEOUT_SEC*USEC_PER_SEC) +/* User unit start/stop */ +#define DEFAULT_USER_TIMEOUT_USEC (DEFAULT_USER_TIMEOUT_SEC*USEC_PER_SEC) +/* Timeout for user confirmation on the console */ +#define DEFAULT_CONFIRM_USEC (30*USEC_PER_SEC) + +/* We use an extra-long timeout for the reload. This is because a reload or reexec means generators are rerun + * which are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can + * have their timeout, and for everything else there's the same time budget in place. */ +#define DAEMON_RELOAD_TIMEOUT_SEC (DEFAULT_TIMEOUT_USEC * 2) + +#define DEFAULT_START_LIMIT_INTERVAL (10*USEC_PER_SEC) +#define DEFAULT_START_LIMIT_BURST 5 + +/* Wait for 1.5 seconds at maximum for freeze operation */ +#define FREEZE_TIMEOUT (1500 * USEC_PER_MSEC) + +/* The default time after which exit-on-idle services exit. This + * should be kept lower than the watchdog timeout, because otherwise + * the watchdog pings will keep the loop busy. */ +#define DEFAULT_EXIT_USEC (30*USEC_PER_SEC) + +/* The default value for the net.unix.max_dgram_qlen sysctl */ +#define DEFAULT_UNIX_MAX_DGRAM_QLEN 512 + +#define SIGNALS_CRASH_HANDLER SIGSEGV,SIGILL,SIGFPE,SIGBUS,SIGQUIT,SIGABRT +#define SIGNALS_IGNORE SIGPIPE + +#define NOTIFY_FD_MAX 768 +#define NOTIFY_BUFFER_MAX PIPE_BUF + +/* Return a nulstr for a standard cascade of configuration paths, suitable to pass to + * conf_files_list_nulstr() to implement drop-in directories for extending configuration files. */ +#define CONF_PATHS_NULSTR(n) \ + "/etc/" n "\0" \ + "/run/" n "\0" \ + "/usr/local/lib/" n "\0" \ + "/usr/lib/" n "\0" + +#define CONF_PATHS_USR(n) \ + "/etc/" n, \ + "/run/" n, \ + "/usr/local/lib/" n, \ + "/usr/lib/" n + +#define CONF_PATHS(n) \ + CONF_PATHS_USR(n) + +#define CONF_PATHS_USR_STRV(n) \ + STRV_MAKE(CONF_PATHS_USR(n)) + +#define CONF_PATHS_STRV(n) \ + STRV_MAKE(CONF_PATHS(n)) + +/* The limit for PID 1 itself (which is not inherited to children) */ +#define HIGH_RLIMIT_MEMLOCK (1024ULL*1024ULL*64ULL) + +/* Since kernel 5.16 the kernel default limit was raised to 8M. Let's adjust things on old kernels too, and + * in containers so that our children inherit that. */ +#define DEFAULT_RLIMIT_MEMLOCK (1024ULL*1024ULL*8ULL) + +/* Path where PID1 listens for varlink subscriptions from systemd-oomd to notify of changes in ManagedOOM settings. */ +#define VARLINK_ADDR_PATH_MANAGED_OOM_SYSTEM "/run/systemd/io.systemd.ManagedOOM" +/* Path where systemd-oomd listens for varlink connections from user managers to report changes in ManagedOOM settings. */ +#define VARLINK_ADDR_PATH_MANAGED_OOM_USER "/run/systemd/oom/io.systemd.ManagedOOM" + +#define KERNEL_BASELINE_VERSION "4.15" |