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stack trace freebsd update. using native api to get the process (#8144) 

Summary:
full name.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8144

Reviewed By: ajkr

Differential Revision: D27581146

Pulled By: riversand963

fbshipit-source-id: 7d4cbde02a07aa4676e35aeb60c3d6f1f492a3cd
This commit is contained in:
David Carlier 2021-04-06 00:27:59 -07:00 committed by Facebook GitHub Bot
parent 96205baa63
commit 88c8f7a090
1 changed files with 17 additions and 1 deletions
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18
port/stack_trace.cc
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@ -7,7 +7,7 @@
#if defined(ROCKSDB_LITE) || \
!(defined(ROCKSDB_BACKTRACE) || defined(OS_MACOSX)) || defined(CYGWIN) || \
defined(OS_FREEBSD) || defined(OS_SOLARIS) || defined(OS_WIN)
defined(OS_SOLARIS) || defined(OS_WIN)
// noop
@ -32,6 +32,10 @@ void* SaveStack(int* /*num_frames*/, int /*first_frames_to_skip*/) {
#include <unistd.h>
#include <cxxabi.h>
#if defined(OS_FREEBSD)
#include <sys/sysctl.h>
#endif
namespace ROCKSDB_NAMESPACE {
namespace port {
@ -41,6 +45,7 @@ namespace {
const char* GetExecutableName() {
static char name[1024];
#if !defined(OS_FREEBSD)
char link[1024];
snprintf(link, sizeof(link), "/proc/%d/exe", getpid());
auto read = readlink(link, name, sizeof(name) - 1);
@ -50,6 +55,17 @@ const char* GetExecutableName() {
name[read] = 0;
return name;
}
#else
int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
size_t namesz = sizeof(name);
auto ret = sysctl(mib, 4, name, &namesz, nullptr, 0);
if (-1 == ret) {
return nullptr;
} else {
return name;
}
#endif
}
void PrintStackTraceLine(const char* symbol, void* frame) {