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Unified Diff: runtime/bin/file_linux.cc

Issue 109803002: Profiler Take 2 (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 7 years ago
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Index: runtime/bin/file_linux.cc
diff --git a/runtime/bin/file_linux.cc b/runtime/bin/file_linux.cc
index 15000e27c97528a377fb7b33dd69d8290ad7683d..b4c2b31132d1c1913c8f2539fb44cbef55a4aaac 100644
--- a/runtime/bin/file_linux.cc
+++ b/runtime/bin/file_linux.cc
@@ -17,6 +17,7 @@
#include "bin/builtin.h"
#include "bin/log.h"
+#include "bin/signal_blocker.h"
namespace dart {
@@ -47,7 +48,7 @@ File::~File() {
void File::Close() {
ASSERT(handle_->fd() >= 0);
- int err = TEMP_FAILURE_RETRY(close(handle_->fd()));
+ int err = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(close(handle_->fd()));
if (err != 0) {
const int kBufferSize = 1024;
char error_buf[kBufferSize];
@@ -64,13 +65,15 @@ bool File::IsClosed() {
int64_t File::Read(void* buffer, int64_t num_bytes) {
ASSERT(handle_->fd() >= 0);
- return TEMP_FAILURE_RETRY(read(handle_->fd(), buffer, num_bytes));
+ return TEMP_FAILURE_RETRY_BLOCK_SIGNALS(read(handle_->fd(), buffer,
+ num_bytes));
}
int64_t File::Write(const void* buffer, int64_t num_bytes) {
ASSERT(handle_->fd() >= 0);
- return TEMP_FAILURE_RETRY(write(handle_->fd(), buffer, num_bytes));
+ return TEMP_FAILURE_RETRY_BLOCK_SIGNALS(write(handle_->fd(), buffer,
+ num_bytes));
}
@@ -88,20 +91,21 @@ bool File::SetPosition(off64_t position) {
bool File::Truncate(off64_t length) {
ASSERT(handle_->fd() >= 0);
- return TEMP_FAILURE_RETRY(ftruncate64(handle_->fd(), length) != -1);
+ return TEMP_FAILURE_RETRY_BLOCK_SIGNALS(
+ ftruncate64(handle_->fd(), length) != -1);
}
bool File::Flush() {
ASSERT(handle_->fd() >= 0);
- return TEMP_FAILURE_RETRY(fsync(handle_->fd()) != -1);
+ return TEMP_FAILURE_RETRY_BLOCK_SIGNALS(fsync(handle_->fd()) != -1);
}
off64_t File::Length() {
ASSERT(handle_->fd() >= 0);
struct stat64 st;
- if (TEMP_FAILURE_RETRY(fstat64(handle_->fd(), &st)) == 0) {
+ if (TEMP_FAILURE_RETRY_BLOCK_SIGNALS(fstat64(handle_->fd(), &st)) == 0) {
return st.st_size;
}
return -1;
@@ -111,7 +115,7 @@ off64_t File::Length() {
File* File::Open(const char* name, FileOpenMode mode) {
// Report errors for non-regular files.
struct stat64 st;
- if (TEMP_FAILURE_RETRY(stat64(name, &st)) == 0) {
+ if (TEMP_FAILURE_RETRY_BLOCK_SIGNALS(stat64(name, &st)) == 0) {
// Only accept regular files and character devices.
if (!S_ISREG(st.st_mode) && !S_ISCHR(st.st_mode)) {
errno = (S_ISDIR(st.st_mode)) ? EISDIR : ENOENT;
@@ -126,7 +130,7 @@ File* File::Open(const char* name, FileOpenMode mode) {
flags = flags | O_TRUNC;
}
flags |= O_CLOEXEC;
- int fd = TEMP_FAILURE_RETRY(open64(name, flags, 0666));
+ int fd = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(open64(name, flags, 0666));
if (fd < 0) {
return NULL;
}
@@ -148,7 +152,7 @@ File* File::OpenStdio(int fd) {
bool File::Exists(const char* name) {
struct stat64 st;
- if (TEMP_FAILURE_RETRY(stat64(name, &st)) == 0) {
+ if (TEMP_FAILURE_RETRY_BLOCK_SIGNALS(stat64(name, &st)) == 0) {
return S_ISREG(st.st_mode);
} else {
return false;
@@ -157,7 +161,7 @@ bool File::Exists(const char* name) {
bool File::Create(const char* name) {
- int fd = TEMP_FAILURE_RETRY(
+ int fd = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(
open64(name, O_RDONLY | O_CREAT | O_CLOEXEC, 0666));
if (fd < 0) {
return false;
@@ -167,7 +171,7 @@ bool File::Create(const char* name) {
bool File::CreateLink(const char* name, const char* target) {
- int status = TEMP_FAILURE_RETRY(symlink(target, name));
+ int status = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(symlink(target, name));
return (status == 0);
}
@@ -175,7 +179,7 @@ bool File::CreateLink(const char* name, const char* target) {
bool File::Delete(const char* name) {
File::Type type = File::GetType(name, true);
if (type == kIsFile) {
- return TEMP_FAILURE_RETRY(unlink(name)) == 0;
+ return TEMP_FAILURE_RETRY_BLOCK_SIGNALS(unlink(name)) == 0;
} else if (type == kIsDirectory) {
errno = EISDIR;
} else {
@@ -188,7 +192,7 @@ bool File::Delete(const char* name) {
bool File::DeleteLink(const char* name) {
File::Type type = File::GetType(name, false);
if (type == kIsLink) {
- return TEMP_FAILURE_RETRY(unlink(name)) == 0;
+ return TEMP_FAILURE_RETRY_BLOCK_SIGNALS(unlink(name)) == 0;
}
errno = EINVAL;
return false;
@@ -198,7 +202,7 @@ bool File::DeleteLink(const char* name) {
bool File::Rename(const char* old_path, const char* new_path) {
File::Type type = File::GetType(old_path, true);
if (type == kIsFile) {
- return TEMP_FAILURE_RETRY(rename(old_path, new_path)) == 0;
+ return TEMP_FAILURE_RETRY_BLOCK_SIGNALS(rename(old_path, new_path)) == 0;
} else if (type == kIsDirectory) {
errno = EISDIR;
} else {
@@ -211,7 +215,7 @@ bool File::Rename(const char* old_path, const char* new_path) {
bool File::RenameLink(const char* old_path, const char* new_path) {
File::Type type = File::GetType(old_path, false);
if (type == kIsLink) {
- return TEMP_FAILURE_RETRY(rename(old_path, new_path)) == 0;
+ return TEMP_FAILURE_RETRY_BLOCK_SIGNALS(rename(old_path, new_path)) == 0;
} else if (type == kIsDirectory) {
errno = EISDIR;
} else {
@@ -225,24 +229,25 @@ bool File::Copy(const char* old_path, const char* new_path) {
File::Type type = File::GetType(old_path, true);
if (type == kIsFile) {
struct stat64 st;
- if (TEMP_FAILURE_RETRY(stat64(old_path, &st)) != 0) {
+ if (TEMP_FAILURE_RETRY_BLOCK_SIGNALS(stat64(old_path, &st)) != 0) {
return false;
}
- int old_fd = TEMP_FAILURE_RETRY(open64(old_path, O_RDONLY | O_CLOEXEC));
+ int old_fd = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(open64(old_path,
+ O_RDONLY | O_CLOEXEC));
if (old_fd < 0) {
return false;
}
- int new_fd = TEMP_FAILURE_RETRY(
+ int new_fd = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(
open64(new_path, O_WRONLY | O_TRUNC | O_CREAT | O_CLOEXEC, st.st_mode));
if (new_fd < 0) {
- VOID_TEMP_FAILURE_RETRY(close(old_fd));
+ VOID_TEMP_FAILURE_RETRY_BLOCK_SIGNALS(close(old_fd));
return false;
}
off64_t offset = 0;
int result = 1;
while (result > 0) {
// Loop to ensure we copy everything, and not only up to 2GB.
- result = TEMP_FAILURE_RETRY(
+ result = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(
sendfile64(new_fd, old_fd, &offset, kMaxUint32));
}
// From sendfile man pages:
@@ -251,9 +256,10 @@ bool File::Copy(const char* old_path, const char* new_path) {
if (result < 0 && (errno == EINVAL || errno == ENOSYS)) {
const intptr_t kBufferSize = 8 * KB;
uint8_t buffer[kBufferSize];
- while ((result = TEMP_FAILURE_RETRY(
+ while ((result = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(
read(old_fd, buffer, kBufferSize))) > 0) {
- int wrote = TEMP_FAILURE_RETRY(write(new_fd, buffer, result));
+ int wrote = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(write(new_fd, buffer,
+ result));
if (wrote != result) {
result = -1;
break;
@@ -262,9 +268,9 @@ bool File::Copy(const char* old_path, const char* new_path) {
}
if (result < 0) {
int e = errno;
- VOID_TEMP_FAILURE_RETRY(close(old_fd));
- VOID_TEMP_FAILURE_RETRY(close(new_fd));
- VOID_TEMP_FAILURE_RETRY(unlink(new_path));
+ VOID_TEMP_FAILURE_RETRY_BLOCK_SIGNALS(close(old_fd));
+ VOID_TEMP_FAILURE_RETRY_BLOCK_SIGNALS(close(new_fd));
+ VOID_TEMP_FAILURE_RETRY_BLOCK_SIGNALS(unlink(new_path));
errno = e;
return false;
}
@@ -280,7 +286,7 @@ bool File::Copy(const char* old_path, const char* new_path) {
off64_t File::LengthFromPath(const char* name) {
struct stat64 st;
- if (TEMP_FAILURE_RETRY(stat64(name, &st)) == 0) {
+ if (TEMP_FAILURE_RETRY_BLOCK_SIGNALS(stat64(name, &st)) == 0) {
return st.st_size;
}
return -1;
@@ -289,7 +295,7 @@ off64_t File::LengthFromPath(const char* name) {
void File::Stat(const char* name, int64_t* data) {
struct stat64 st;
- if (TEMP_FAILURE_RETRY(stat64(name, &st)) == 0) {
+ if (TEMP_FAILURE_RETRY_BLOCK_SIGNALS(stat64(name, &st)) == 0) {
if (S_ISREG(st.st_mode)) {
data[kType] = kIsFile;
} else if (S_ISDIR(st.st_mode)) {
@@ -312,7 +318,7 @@ void File::Stat(const char* name, int64_t* data) {
time_t File::LastModified(const char* name) {
struct stat64 st;
- if (TEMP_FAILURE_RETRY(stat64(name, &st)) == 0) {
+ if (TEMP_FAILURE_RETRY_BLOCK_SIGNALS(stat64(name, &st)) == 0) {
return st.st_mtime;
}
return -1;
@@ -387,9 +393,11 @@ File::Type File::GetType(const char* pathname, bool follow_links) {
struct stat64 entry_info;
int stat_success;
if (follow_links) {
- stat_success = TEMP_FAILURE_RETRY(stat64(pathname, &entry_info));
+ stat_success = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(stat64(pathname,
+ &entry_info));
} else {
- stat_success = TEMP_FAILURE_RETRY(lstat64(pathname, &entry_info));
+ stat_success = TEMP_FAILURE_RETRY_BLOCK_SIGNALS(lstat64(pathname,
+ &entry_info));
}
if (stat_success == -1) return File::kDoesNotExist;
if (S_ISDIR(entry_info.st_mode)) return File::kIsDirectory;
@@ -402,8 +410,8 @@ File::Type File::GetType(const char* pathname, bool follow_links) {
File::Identical File::AreIdentical(const char* file_1, const char* file_2) {
struct stat64 file_1_info;
struct stat64 file_2_info;
- if (TEMP_FAILURE_RETRY(lstat64(file_1, &file_1_info)) == -1 ||
- TEMP_FAILURE_RETRY(lstat64(file_2, &file_2_info)) == -1) {
+ if (TEMP_FAILURE_RETRY_BLOCK_SIGNALS(lstat64(file_1, &file_1_info)) == -1 ||
+ TEMP_FAILURE_RETRY_BLOCK_SIGNALS(lstat64(file_2, &file_2_info)) == -1) {
return File::kError;
}
return (file_1_info.st_ino == file_2_info.st_ino &&
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