diff options
| author | Vijay Bellur <vijay@gluster.com> | 2009-08-15 12:58:08 +0000 |
|---|---|---|
| committer | Anand V. Avati <avati@dev.gluster.com> | 2009-08-19 17:57:53 -0700 |
| commit | b4d6c3d1bb461d2c8a396c9ed3881a4da40fc6ab (patch) | |
| tree | 7a5a15665d46a91b9d4d744b0da599c4628d7f6c /libglusterfs/src/stack.c | |
| parent | a31b0016347b3bc9b341fa0f4541ed137224f593 (diff) | |
TAKE2[PATCH BUG:213 1/1] Support for Process State Dump
Support for process state dump.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 213 (Support for process state dump)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=213
Diffstat (limited to 'libglusterfs/src/stack.c')
| -rw-r--r-- | libglusterfs/src/stack.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/libglusterfs/src/stack.c b/libglusterfs/src/stack.c new file mode 100644 index 00000000000..453248479b3 --- /dev/null +++ b/libglusterfs/src/stack.c @@ -0,0 +1,171 @@ +/* + Copyright (c) 2009 Z RESEARCH, Inc. <http://www.zresearch.com> + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see + <http://www.gnu.org/licenses/>. +*/ + +#include "statedump.h" +#include "stack.h" + +static inline +int call_frames_count (call_frame_t *call_frame) +{ + call_frame_t *pos; + int32_t count = 0; + + if (!call_frame) + return count; + + for (pos = call_frame; pos != NULL; pos = pos->next) + count++; + + return count; +} + +void +gf_proc_dump_call_frame (call_frame_t *call_frame, const char *key_buf,...) +{ + + char prefix[GF_DUMP_MAX_BUF_LEN]; + va_list ap; + char key[GF_DUMP_MAX_BUF_LEN]; + call_frame_t my_frame; + int ret = -1; + + if (!call_frame) + return; + + assert(key_buf); + + memset(prefix, 0, sizeof(prefix)); + memset(&my_frame, 0, sizeof(my_frame)); + va_start(ap, key_buf); + vsnprintf(prefix, GF_DUMP_MAX_BUF_LEN, key_buf, ap); + va_end(ap); + + ret = TRY_LOCK(&call_frame->lock); + if (ret) { + gf_log("", GF_LOG_WARNING, "Unable to dump call frame" + " errno: %d", errno); + return; + } + + memcpy(&my_frame, call_frame, sizeof(my_frame));</ |