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Change shm_open()
calling ABI on aarch64 Darwin
#43516
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Beacuse `shm_open()` is a variadic function, if we don't declare it as such, the kernel receives trash as the `permissions` value, which occasionally results in errors when creating shared memory segments. This did not happen on `x86_64` because the calling convention doesn't change so much between variadic and non-vadiadic functions.
staticfloat
added
system:mac
Affects only macOS
system:apple silicon
Affects Apple Silicon only (Darwin/ARM64) - e.g. M1 and other M-series chips
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Dec 22, 2021
Fixes #43464 |
vtjnash
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Dec 22, 2021
LGTM (I'm seeing the same issue on aarch64-darwin); CI failures are spurious. |
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KristofferC
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Jan 5, 2022
Beacuse `shm_open()` is a variadic function, if we don't declare it as such, the kernel receives trash as the `permissions` value, which occasionally results in errors when creating shared memory segments. This did not happen on `x86_64` because the calling convention doesn't change so much between variadic and non-vadiadic functions. (cherry picked from commit ffed6b8)
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LilithHafner
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Feb 22, 2022
Beacuse `shm_open()` is a variadic function, if we don't declare it as such, the kernel receives trash as the `permissions` value, which occasionally results in errors when creating shared memory segments. This did not happen on `x86_64` because the calling convention doesn't change so much between variadic and non-vadiadic functions.
LilithHafner
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Mar 8, 2022
Beacuse `shm_open()` is a variadic function, if we don't declare it as such, the kernel receives trash as the `permissions` value, which occasionally results in errors when creating shared memory segments. This did not happen on `x86_64` because the calling convention doesn't change so much between variadic and non-vadiadic functions.
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Labels
system:apple silicon
Affects Apple Silicon only (Darwin/ARM64) - e.g. M1 and other M-series chips
system:mac
Affects only macOS
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Beacuse
shm_open()
is a variadic function, if we don't declare it assuch, the kernel receives trash as the
permissions
value, whichoccasionally results in errors when creating shared memory segments.
This did not happen on
x86_64
because the calling convention doesn'tchange so much between variadic and non-vadiadic functions.