Bug #12730: common/Subprocess: build warnings - Ceph - Ceph

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Bug #12730

closed

common/Subprocess: build warnings

Added by Sage Weil over 8 years ago. Updated over 8 years ago.

Status:

Resolved

Priority:

Urgent

Assignee:

Kefu Chai

Category:

Target version:

% Done:

Source:

other

Tags:

Backport:

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

ceph-qa-suite:

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

In file included from crush/CrushTester.cc:11:0:
./common/SubProcess.h: In member function 'virtual void SubProcess::exec()':
./common/SubProcess.h:312:60: warning: ignoring return value of 'ssize_t write(int, const void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
   write(STDERR_FILENO, err.str().c_str(), err.str().size());
                                                            ^
./common/SubProcess.h: In member function 'virtual void SubProcessTimed::exec()':
./common/SubProcess.h:431:64: warning: ignoring return value of 'ssize_t write(int, const void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
       write(STDERR_FILENO, err.str().c_str(), err.str().size());
                                                                ^
./common/SubProcess.h:449:64: warning: ignoring return value of 'ssize_t write(int, const void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
       write(STDERR_FILENO, err.str().c_str(), err.str().size());
                                                                ^
./common/SubProcess.h:462:60: warning: ignoring return value of 'ssize_t write(int, const void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
   write(STDERR_FILENO, err.str().c_str(), err.str().size());
                                                            ^