diff options
Diffstat (limited to 'libutils/ProcessCallStack.cpp')
| -rw-r--r-- | libutils/ProcessCallStack.cpp | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/libutils/ProcessCallStack.cpp b/libutils/ProcessCallStack.cpp index db07e56..39e7488 100644 --- a/libutils/ProcessCallStack.cpp +++ b/libutils/ProcessCallStack.cpp @@ -18,6 +18,7 @@ // #define LOG_NDEBUG 0 #include <string.h> +#include <memory> #include <stdio.h> #include <dirent.h> @@ -129,11 +130,9 @@ void ProcessCallStack::clear() { } void ProcessCallStack::update() { - DIR *dp; struct dirent *ep; - struct dirent entry; - dp = opendir(PATH_SELF_TASK); + std::unique_ptr<DIR, decltype(&closedir)> dp(opendir(PATH_SELF_TASK), closedir); if (dp == NULL) { ALOGE("%s: Failed to update the process's call stacks (errno = %d, '%s')", __FUNCTION__, errno, strerror(errno)); @@ -158,8 +157,7 @@ void ProcessCallStack::update() { * Each tid is a directory inside of /proc/self/task * - Read every file in directory => get every tid */ - int code; - while ((code = readdir_r(dp, &entry, &ep)) == 0 && ep != NULL) { + while ((ep = readdir(dp.get())) != NULL) { pid_t tid = -1; sscanf(ep->d_name, "%d", &tid); @@ -194,13 +192,8 @@ void ProcessCallStack::update() { ALOGV("%s: Got call stack for tid %d (size %zu)", __FUNCTION__, tid, threadInfo.callStack.size()); } - if (code != 0) { // returns positive error value on error - ALOGE("%s: Failed to readdir from %s (errno = %d, '%s')", - __FUNCTION__, PATH_SELF_TASK, -code, strerror(code)); - } #endif - closedir(dp); } void ProcessCallStack::log(const char* logtag, android_LogPriority priority, |