symfony/symfony — pull request #11791 by xabbuh (2014-08-28 16:43:11+00:00)
Title: [Process] fix mustRun() in sigchild environments

| Q | A
| ------------- | ---
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets |
| License | MIT
| Doc PR |

When being run in sigchild environments, the sigchild compatibility mode needs to be enabled to be able to call `getExitCode()`. Since `mustRun()` uses `getExitCode()` to determine whether or not a process terminated successfully, it cannot be used in sigchild environments when the sigchild compatibility mode is disabled.