src/basic/def.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #define DEFAULT_TIMEOUT_USEC (90*USEC_PER_SEC)
   5 #define DEFAULT_RESTART_USEC (100*USEC_PER_MSEC)
   6 #define DEFAULT_CONFIRM_USEC (30*USEC_PER_SEC)
   7
   8 #define DEFAULT_START_LIMIT_INTERVAL (10*USEC_PER_SEC)
   9 #define DEFAULT_START_LIMIT_BURST 5
  10
  11 /* The default time after which exit-on-idle services exit. This
  12  * should be kept lower than the watchdog timeout, because otherwise
  13  * the watchdog pings will keep the loop busy. */
  14 #define DEFAULT_EXIT_USEC (30*USEC_PER_SEC)
  15
  16 /* The default value for the net.unix.max_dgram_qlen sysctl */
  17 #define DEFAULT_UNIX_MAX_DGRAM_QLEN 512UL
  18
  19 #define SIGNALS_CRASH_HANDLER SIGSEGV,SIGILL,SIGFPE,SIGBUS,SIGQUIT,SIGABRT
  20 #define SIGNALS_IGNORE SIGPIPE
  21
  22 #define NOTIFY_FD_MAX 768
  23 #define NOTIFY_BUFFER_MAX PIPE_BUF
  24
  25 #if HAVE_SPLIT_USR
  26 #  define _CONF_PATHS_SPLIT_USR_NULSTR(n) "/lib/" n "\0"
  27 #  define _CONF_PATHS_SPLIT_USR(n) , "/lib/" n
  28 #else
  29 #  define _CONF_PATHS_SPLIT_USR_NULSTR(n)
  30 #  define _CONF_PATHS_SPLIT_USR(n)
  31 #endif
  32
  33 /* Return a nulstr for a standard cascade of configuration paths,
  34  * suitable to pass to conf_files_list_nulstr() or config_parse_many_nulstr()
  35  * to implement drop-in directories for extending configuration
  36  * files. */
  37 #define CONF_PATHS_NULSTR(n)                    \
  38         "/etc/" n "\0"                          \
  39         "/run/" n "\0"                          \
  40         "/usr/local/lib/" n "\0"                \
  41         "/usr/lib/" n "\0"                      \
  42         _CONF_PATHS_SPLIT_USR_NULSTR(n)
  43
  44 #define CONF_PATHS_USR(n)                       \
  45         "/etc/" n,                              \
  46         "/run/" n,                              \
  47         "/usr/local/lib/" n,                    \
  48         "/usr/lib/" n
  49
  50 #define CONF_PATHS(n)                           \
  51         CONF_PATHS_USR(n)                       \
  52         _CONF_PATHS_SPLIT_USR(n)
  53
  54 #define CONF_PATHS_USR_STRV(n)                  \
  55         STRV_MAKE(CONF_PATHS_USR(n))
  56
  57 #define CONF_PATHS_STRV(n)                      \
  58         STRV_MAKE(CONF_PATHS(n))
  59
  60 /* The limit for PID 1 itself (which is not inherited to children) */
  61 #define HIGH_RLIMIT_MEMLOCK (1024ULL*1024ULL*64ULL)
  62
  63 /* Since kernel 5.16 the kernel default limit was raised to 8M. Let's adjust things on old kernels too, and
  64  * in containers so that our children inherit that. */
  65 #define DEFAULT_RLIMIT_MEMLOCK (1024ULL*1024ULL*8ULL)
  66
  67 #define PLYMOUTH_SOCKET {                                       \
  68                 .un.sun_family = AF_UNIX,                       \
  69                 .un.sun_path = "\0/org/freedesktop/plymouthd",  \
  70         }
  71
  72 /* Path where PID1 listens for varlink subscriptions from systemd-oomd to notify of changes in ManagedOOM settings. */
  73 #define VARLINK_ADDR_PATH_MANAGED_OOM_SYSTEM "/run/systemd/io.system.ManagedOOM"
  74 /* Path where systemd-oomd listens for varlink connections from user managers to report changes in ManagedOOM settings. */
  75 #define VARLINK_ADDR_PATH_MANAGED_OOM_USER "/run/systemd/oom/io.system.ManagedOOM"