whesse@google.com
b074764cfb
BUG= TEST=Run fresh build no macosx10.7. Observe finishing to completion without being stuck on dartdoc step Review URL: https://chromiumcodereview.appspot.com//10834423 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@11034 260f80e4-7a28-3924-810f-c04153c831b5
76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#include "bin/platform.h"
|
|
|
|
#include <signal.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
bool Platform::Initialize() {
|
|
// Turn off the signal handler for SIGPIPE as it causes the process
|
|
// to terminate on writing to a closed pipe. Without the signal
|
|
// handler error EPIPE is set instead.
|
|
struct sigaction act;
|
|
bzero(&act, sizeof(act));
|
|
act.sa_handler = SIG_IGN;
|
|
if (sigaction(SIGPIPE, &act, 0) != 0) {
|
|
perror("Setting signal handler failed");
|
|
return false;
|
|
}
|
|
// Unblock SIGCHLD as waiting on spawned child process depends
|
|
// on successful interception of this signal.
|
|
sigset_t newset;
|
|
sigemptyset(&newset);
|
|
sigaddset(&newset, SIGCHLD);
|
|
if (sigprocmask(SIG_UNBLOCK, &newset, NULL) != 0) {
|
|
perror("Unblocking SIGCHLD signal failed");
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
int Platform::NumberOfProcessors() {
|
|
return sysconf(_SC_NPROCESSORS_ONLN);
|
|
}
|
|
|
|
|
|
const char* Platform::OperatingSystem() {
|
|
return "linux";
|
|
}
|
|
|
|
|
|
bool Platform::LocalHostname(char *buffer, intptr_t buffer_length) {
|
|
return gethostname(buffer, buffer_length) == 0;
|
|
}
|
|
|
|
|
|
char** Platform::Environment(intptr_t* count) {
|
|
// Using environ directly is only safe as long as we do not
|
|
// provide access to modifying environment variables.
|
|
intptr_t i = 0;
|
|
char** tmp = environ;
|
|
while (*(tmp++) != NULL) i++;
|
|
*count = i;
|
|
char** result = new char*[i];
|
|
for (intptr_t current = 0; current < i; current++) {
|
|
result[current] = environ[current];
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
char* Platform::StrError(int error_code) {
|
|
static const int kBufferSize = 1024;
|
|
char* error = static_cast<char*>(malloc(kBufferSize));
|
|
error[0] = '\0';
|
|
char* error_str = strerror_r(error_code, error, kBufferSize);
|
|
if (error_str != error) {
|
|
size_t written = snprintf(error, kBufferSize, "%s", error_str);
|
|
ASSERT(written == strlen(error_str));
|
|
}
|
|
return error;
|
|
}
|