diff options
Diffstat (limited to 'erts/emulator/sys')
| -rw-r--r-- | erts/emulator/sys/unix/sys.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index 24f229ae68..eff64b2c11 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -244,6 +244,8 @@ static void note_child_death(int, int); static void* child_waiter(void *); #endif +static int crashdump_companion_cube_fd = -1; + /********************* General functions ****************************/ /* This is used by both the drivers and general I/O, must be set early */ @@ -573,6 +575,14 @@ erts_sys_pre_init(void) close(fd); } + /* We need a file descriptor to close in the crashdump creation. + * We close this one to be sure we can get a fd for our real file ... + * so, we create one here ... a stone to carry all the way home. + */ + + crashdump_companion_cube_fd = open("/dev/null", O_RDONLY); + + /* don't lose it, there will be cake */ } void @@ -760,7 +770,8 @@ prepare_crash_dump(int secs) heart_port->common.id, list, NULL); } - /* FIXME: Reserve one file descriptor */ + /* Make sure we have a fd for our crashdump file. */ + close(crashdump_companion_cube_fd); envsz = sizeof(env); i = erts_sys_getenv__("ERL_CRASH_DUMP_NICE", env, &envsz); |