diff options
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/erl_init.c | 4 | ||||
| -rw-r--r-- | erts/emulator/sys/unix/sys.c | 19 |
2 files changed, 21 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 8c4fffa75b..1af80dd04b 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -553,8 +553,8 @@ void erts_usage(void) erts_fprintf(stderr, " numbers is %d\n", ERTS_MAX_NO_OF_SCHEDULERS); erts_fprintf(stderr, "-SP p1:p2 specify schedulers (p1) and schedulers online (p2)\n"); - erts_fprintf(stderr, " as percentages of logical processors configured and logical\n"); - erts_fprintf(stderr, " processors available, respectively\n"); + erts_fprintf(stderr, " as percentages of logical processors configured and logical\n"); + erts_fprintf(stderr, " processors available, respectively\n"); erts_fprintf(stderr, "-t size set the maximum number of atoms the " "emulator can handle\n"); erts_fprintf(stderr, " valid range is [%d-%d]\n", diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index 61f9f6a59a..59e34eb819 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -547,6 +547,25 @@ erts_sys_pre_init(void) #endif #endif /* USE_THREADS */ erts_smp_atomic_init_nob(&sys_misc_mem_sz, 0); + + { + /* + * Unfortunately we depend on fd 0,1,2 in the old shell code. + * So if for some reason we do not have those open when we start + * we have to open them here. Not doing this can cause the emulator + * to deadlock when reaping the fd_driver ports :( + */ + int fd; + /* Make sure fd 0 is open */ + if ((fd = open("/dev/null", O_RDONLY)) != 0) + close(fd); + /* Make sure fds 1 and 2 are open */ + while (fd < 3) { + fd = open("/dev/null", O_WRONLY); + } + close(fd); + } + } void |