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Make improvements

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- Clean up sigaction() code
- Add a port scanner example
- Introduce a ParseCidr() API
- Clean up our futex abstraction code
- Fix a harmless integer overflow in ParseIp()
- Use kernel semaphores on NetBSD to make threads much faster
This commit is contained in:
Justine Tunney 2022-11-07 02:22:09 -08:00
parent 539bddce8c
commit c995838e5c
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GPG key ID: BE714B4575D6E328
107 changed files with 1085 additions and 492 deletions
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5
libc/calls/sigenter-freebsd.c
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@ -20,7 +20,6 @@
#include "libc/calls/calls.h"
#include "libc/calls/internal.h"
#include "libc/calls/state.internal.h"
#include "libc/calls/struct/sigaction-freebsd.internal.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/siginfo-freebsd.internal.h"
#include "libc/calls/struct/siginfo-meta.internal.h"
@ -51,7 +50,7 @@ privileged void __sigenter_freebsd(int sig, struct siginfo_freebsd *freebsdinfo,
g.uc.uc_stack.ss_sp = ctx->uc_stack.ss_sp;
g.uc.uc_stack.ss_size = ctx->uc_stack.ss_size;
g.uc.uc_stack.ss_flags = ctx->uc_stack.ss_flags;
__repmovsb(&g.uc.uc_sigmask, &ctx->uc_sigmask,
__repmovsb(&g.uc.uc_sigmask, ctx->uc_sigmask,
MIN(sizeof(g.uc.uc_sigmask), sizeof(ctx->uc_sigmask)));
g.uc.uc_mcontext.r8 = ctx->uc_mcontext.mc_r8;
g.uc.uc_mcontext.r9 = ctx->uc_mcontext.mc_r9;
@ -82,7 +81,7 @@ privileged void __sigenter_freebsd(int sig, struct siginfo_freebsd *freebsdinfo,
ctx->uc_stack.ss_size = g.uc.uc_stack.ss_size;
ctx->uc_stack.ss_flags = g.uc.uc_stack.ss_flags;
ctx->uc_flags = g.uc.uc_flags;
__repmovsb(&ctx->uc_sigmask, &g.uc.uc_sigmask,
__repmovsb(ctx->uc_sigmask, &g.uc.uc_sigmask,
MIN(sizeof(g.uc.uc_sigmask), sizeof(ctx->uc_sigmask)));
ctx->uc_mcontext.mc_rdi = g.uc.uc_mcontext.rdi;
ctx->uc_mcontext.mc_rsi = g.uc.uc_mcontext.rsi;