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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/process/process.h" | 5 #include "base/process/process.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
| 8 #include <stdint.h> |
8 #include <sys/resource.h> | 9 #include <sys/resource.h> |
9 #include <sys/wait.h> | 10 #include <sys/wait.h> |
10 | 11 |
11 #include "base/files/scoped_file.h" | 12 #include "base/files/scoped_file.h" |
12 #include "base/logging.h" | 13 #include "base/logging.h" |
13 #include "base/posix/eintr_wrapper.h" | 14 #include "base/posix/eintr_wrapper.h" |
14 #include "base/process/kill.h" | 15 #include "base/process/kill.h" |
15 #include "base/third_party/dynamic_annotations/dynamic_annotations.h" | 16 #include "base/third_party/dynamic_annotations/dynamic_annotations.h" |
| 17 #include "build/build_config.h" |
16 | 18 |
17 #if defined(OS_MACOSX) | 19 #if defined(OS_MACOSX) |
18 #include <sys/event.h> | 20 #include <sys/event.h> |
19 #endif | 21 #endif |
20 | 22 |
21 namespace { | 23 namespace { |
22 | 24 |
23 #if !defined(OS_NACL_NONSFI) | 25 #if !defined(OS_NACL_NONSFI) |
24 | 26 |
25 bool WaitpidWithTimeout(base::ProcessHandle handle, | 27 bool WaitpidWithTimeout(base::ProcessHandle handle, |
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47 // depending on behavior external to this function. | 49 // depending on behavior external to this function. |
48 // | 50 // |
49 // This function is used primarily for unit tests, if we want to use it in | 51 // This function is used primarily for unit tests, if we want to use it in |
50 // the application itself it would probably be best to examine other routes. | 52 // the application itself it would probably be best to examine other routes. |
51 | 53 |
52 if (wait == base::TimeDelta::Max()) { | 54 if (wait == base::TimeDelta::Max()) { |
53 return HANDLE_EINTR(waitpid(handle, status, 0)) > 0; | 55 return HANDLE_EINTR(waitpid(handle, status, 0)) > 0; |
54 } | 56 } |
55 | 57 |
56 pid_t ret_pid = HANDLE_EINTR(waitpid(handle, status, WNOHANG)); | 58 pid_t ret_pid = HANDLE_EINTR(waitpid(handle, status, WNOHANG)); |
57 static const int64 kMaxSleepInMicroseconds = 1 << 18; // ~256 milliseconds. | 59 static const int64_t kMaxSleepInMicroseconds = 1 << 18; // ~256 milliseconds. |
58 int64 max_sleep_time_usecs = 1 << 10; // ~1 milliseconds. | 60 int64_t max_sleep_time_usecs = 1 << 10; // ~1 milliseconds. |
59 int64 double_sleep_time = 0; | 61 int64_t double_sleep_time = 0; |
60 | 62 |
61 // If the process hasn't exited yet, then sleep and try again. | 63 // If the process hasn't exited yet, then sleep and try again. |
62 base::TimeTicks wakeup_time = base::TimeTicks::Now() + wait; | 64 base::TimeTicks wakeup_time = base::TimeTicks::Now() + wait; |
63 while (ret_pid == 0) { | 65 while (ret_pid == 0) { |
64 base::TimeTicks now = base::TimeTicks::Now(); | 66 base::TimeTicks now = base::TimeTicks::Now(); |
65 if (now > wakeup_time) | 67 if (now > wakeup_time) |
66 break; | 68 break; |
67 // Guaranteed to be non-negative! | 69 // Guaranteed to be non-negative! |
68 int64 sleep_time_usecs = (wakeup_time - now).InMicroseconds(); | 70 int64_t sleep_time_usecs = (wakeup_time - now).InMicroseconds(); |
69 // Sleep for a bit while we wait for the process to finish. | 71 // Sleep for a bit while we wait for the process to finish. |
70 if (sleep_time_usecs > max_sleep_time_usecs) | 72 if (sleep_time_usecs > max_sleep_time_usecs) |
71 sleep_time_usecs = max_sleep_time_usecs; | 73 sleep_time_usecs = max_sleep_time_usecs; |
72 | 74 |
73 // usleep() will return 0 and set errno to EINTR on receipt of a signal | 75 // usleep() will return 0 and set errno to EINTR on receipt of a signal |
74 // such as SIGCHLD. | 76 // such as SIGCHLD. |
75 usleep(sleep_time_usecs); | 77 usleep(sleep_time_usecs); |
76 ret_pid = HANDLE_EINTR(waitpid(handle, status, WNOHANG)); | 78 ret_pid = HANDLE_EINTR(waitpid(handle, status, WNOHANG)); |
77 | 79 |
78 if ((max_sleep_time_usecs < kMaxSleepInMicroseconds) && | 80 if ((max_sleep_time_usecs < kMaxSleepInMicroseconds) && |
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370 return false; | 372 return false; |
371 } | 373 } |
372 #endif // !defined(OS_LINUX) | 374 #endif // !defined(OS_LINUX) |
373 | 375 |
374 int Process::GetPriority() const { | 376 int Process::GetPriority() const { |
375 DCHECK(IsValid()); | 377 DCHECK(IsValid()); |
376 return getpriority(PRIO_PROCESS, process_); | 378 return getpriority(PRIO_PROCESS, process_); |
377 } | 379 } |
378 | 380 |
379 } // namespace base | 381 } // namespace base |
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