Diffusion FreeBSD src repository e2879ece4314

libc, libthr: use AT_USRSTACK{BASE,LIM} instead of sysctl("kern.usrstack") and…
e2879ece4314
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Description

libc, libthr: use AT_USRSTACK{BASE,LIM} instead of sysctl("kern.usrstack") and get_rlimit(RLIMIT_STACK)

Reviewed by: brooks, imp (previous version)
Discussed with: markj
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D36540

Details

Provenance

kib	Authored on Sep 12 2022, 7:45 PM

Reviewer

brooks

Differential Revision

D36540: Pass stack size, limit, and (no)overcommit flag to image using auxv, to avoid syscalls on jemalloc and libthr startup.

Parents

rGebf7a01594ee: libthr: use nitems() for mib length

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Event Timeline

kib committed rGe2879ece4314: libc, libthr: use AT_USRSTACK{BASE,LIM} instead of sysctl("kern.usrstack") and… (authored by kib).Sep 16 2022, 8:24 PM

kib added an edge: D36540: Pass stack size, limit, and (no)overcommit flag to image using auxv, to avoid syscalls on jemalloc and libthr startup..Sep 16 2022, 8:28 PM

kib mentioned this in rGb904f197ced4: libc, libthr: use AT_USRSTACK{BASE,LIM} instead of sysctl("kern.usrstack") and….Sep 30 2022, 2:04 AM

Changes (3)

Path

Size

lib/

libc/

gen/

elf_utils.c

libthr/

thread/

thr_init.c

thr_stack.c

rGe2879ece4314

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lib/libc/gen/elf_utils.c

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lib/libthr/thread/thr_init.c

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lib/libthr/thread/thr_stack.c

libc, libthr: use AT_USRSTACK{BASE,LIM} instead of sysctl("kern.usrstack") and…e2879ece4314Actions

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Details

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Changes (3)

rGe2879ece4314

lib/libc/gen/elf_utils.c

lib/libthr/thread/thr_init.c

lib/libthr/thread/thr_stack.c

libc, libthr: use AT_USRSTACK{BASE,LIM} instead of sysctl("kern.usrstack") and…
e2879ece4314
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