diff options
Diffstat (limited to 'src/libstd/sys/common')
| -rw-r--r-- | src/libstd/sys/common/util.rs | 28 |
1 files changed, 1 insertions, 27 deletions
diff --git a/src/libstd/sys/common/util.rs b/src/libstd/sys/common/util.rs index b5d03576338..daa0c15920b 100644 --- a/src/libstd/sys/common/util.rs +++ b/src/libstd/sys/common/util.rs @@ -33,32 +33,6 @@ pub fn dumb_print(args: fmt::Arguments) { let _ = Stderr::new().map(|mut stderr| stderr.write_fmt(args)); } -// On Unix-like platforms, libc::abort will unregister signal handlers -// including the SIGABRT handler, preventing the abort from being blocked, and -// fclose streams, with the side effect of flushing them so libc bufferred -// output will be printed. Additionally the shell will generally print a more -// understandable error message like "Abort trap" rather than "Illegal -// instruction" that intrinsics::abort would cause, as intrinsics::abort is -// implemented as an illegal instruction. -#[cfg(unix)] -unsafe fn abort_internal() -> ! { - ::libc::abort() -} - -// On Windows, use the processor-specific __fastfail mechanism. In Windows 8 -// and later, this will terminate the process immediately without running any -// in-process exception handlers. In earlier versions of Windows, this -// sequence of instructions will be treated as an access violation, -// terminating the process but without necessarily bypassing all exception -// handlers. -// -// https://msdn.microsoft.com/en-us/library/dn774154.aspx -#[cfg(all(windows, any(target_arch = "x86", target_arch = "x86_64")))] -unsafe fn abort_internal() -> ! { - asm!("int $$0x29" :: "{ecx}"(7) ::: volatile); // 7 is FAST_FAIL_FATAL_APP_EXIT - ::intrinsics::unreachable(); -} - // Other platforms should use the appropriate platform-specific mechanism for // aborting the process. If no platform-specific mechanism is available, // ::intrinsics::abort() may be used instead. The above implementations cover @@ -66,7 +40,7 @@ unsafe fn abort_internal() -> ! { pub fn abort(args: fmt::Arguments) -> ! { dumb_print(format_args!("fatal runtime error: {}\n", args)); - unsafe { abort_internal(); } + unsafe { ::sys::abort_internal(); } } #[allow(dead_code)] // stack overflow detection not enabled on all platforms |
