diff options
Diffstat (limited to 'debuggerd/crasher.cpp')
| -rw-r--r-- | debuggerd/crasher.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/debuggerd/crasher.cpp b/debuggerd/crasher.cpp index 7d3509c76..cfcc26ef5 100644 --- a/debuggerd/crasher.cpp +++ b/debuggerd/crasher.cpp @@ -1,5 +1,6 @@ #include <assert.h> #include <errno.h> +#include <fcntl.h> #include <pthread.h> #include <sched.h> #include <signal.h> @@ -141,7 +142,13 @@ static int do_action(const char* arg) { fprintf(stderr, "%s: init pid=%d tid=%d\n", __progname, getpid(), gettid()); - if (!strncmp(arg, "thread-", strlen("thread-"))) { + if (!strncmp(arg, "exhaustfd-", strlen("exhaustfd-"))) { + errno = 0; + while (errno != EMFILE) { + open("/dev/null", O_RDONLY); + } + return do_action(arg + strlen("exhaustfd-")); + } else if (!strncmp(arg, "thread-", strlen("thread-"))) { return do_action_on_thread(arg + strlen("thread-")); } else if (!strcmp(arg, "SIGSEGV-non-null")) { sigsegv_non_null(); @@ -208,6 +215,8 @@ static int do_action(const char* arg) fprintf(stderr, " SIGTRAP cause a SIGTRAP\n"); fprintf(stderr, "prefix any of the above with 'thread-' to not run\n"); fprintf(stderr, "on the process' main thread.\n"); + fprintf(stderr, "prefix any of the above with 'exhaustfd-' to exhaust\n"); + fprintf(stderr, "all available file descriptors before crashing.\n"); return EXIT_SUCCESS; } |