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[Sanitizer]: add __sanitizer_set_report_fd function to alter file descriptor for error reports

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llvm-svn: 167290
This commit is contained in:
Alexey Samsonov
2012-11-02 09:23:36 +00:00
parent 47ef7cffb8
commit fd67c83e7e
2 changed files with 20 additions and 1 deletions
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5
compiler-rt/include/sanitizer/common_interface_defs.h
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@@ -63,6 +63,11 @@ extern "C" {
// Tell the tools to write their reports to "path.<pid>" instead of stderr.
void __sanitizer_set_report_path(const char *path)
SANITIZER_INTERFACE_ATTRIBUTE;
// Tell the tools to write their reports to given file descriptor instead of
// stderr.
void __sanitizer_set_report_fd(int fd)
SANITIZER_INTERFACE_ATTRIBUTE;
} // extern "C"
#endif // SANITIZER_COMMON_INTERFACE_DEFS_H

16
compiler-rt/lib/sanitizer_common/sanitizer_common.cc
View File

@@ -16,7 +16,9 @@
namespace __sanitizer {
static fd_t report_fd = 2; // By default, dump to stderr.
// By default, dump to stderr. If report_fd is kInvalidFd, try to obtain file
// descriptor by opening file in report_path.
static fd_t report_fd = 2;
static char report_path[4096]; // Set via __sanitizer_set_report_path.
static void (*DieCallback)(void);
@@ -138,6 +140,10 @@ void SortArray(uptr *array, uptr size) {
} // namespace __sanitizer
using namespace __sanitizer; // NOLINT
extern "C" {
void __sanitizer_set_report_path(const char *path) {
if (!path) return;
uptr len = internal_strlen(path);
@@ -151,3 +157,11 @@ void __sanitizer_set_report_path(const char *path) {
sizeof(__sanitizer::report_path), "%s.%d", path, GetPid());
__sanitizer::report_fd = kInvalidFd;
}
void __sanitizer_set_report_fd(int fd) {
if (__sanitizer::report_fd > 2 && __sanitizer::report_fd != kInvalidFd)
internal_close(__sanitizer::report_fd);
__sanitizer::report_fd = fd;
}
} // extern "C"