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03beb4f15a
If any of these signals happen on macOS, they are not delivered to other threads and signalfd_compat receives nothing. Indeed, POSIX reference and sigprocmask(2) note that an attempt to block the signals results in undefined behaviour. SEGV and FPE can't also be received by signalfd(2) on Linux. An ability to retrieve SIGBUS via signalfd(2) is used by QEMU for memory preallocation therefore we can't unblock it without consequences. But it's important to leave a remark that the signal is lost on macOS. Backports commit 21a43af0f18335af4abb1959aa28ee9d159a2d43 from qemu |
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| .. | ||
| bitmap.c | ||
| bitops.c | ||
| cacheinfo.c | ||
| crc32c.c | ||
| cutils.c | ||
| error.c | ||
| getauxval.c | ||
| host-utils.c | ||
| log.c | ||
| Makefile.objs | ||
| mmap-alloc.c | ||
| module.c | ||
| oslib-posix.c | ||
| oslib-win32.c | ||
| qemu-error.c | ||
| qemu-thread-posix.c | ||
| qemu-thread-win32.c | ||
| qemu-timer-common.c | ||
| range.c | ||
| sys_membarrier.c | ||