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Improve signals and memory protection

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- Document sigaction()
- Simplify New Technology fork() code
- Testing and many bug fixes for mprotect()
- Distribute Intel Xed ILD in the amalgamation
- Turn Xed enums into defines to avoid DWARF bloat
- Improve polyfilling of SA_SIGINFO on BSDs and fix bugs
- setpgid(getpid(), getpid()) on Windows will ignore CTRL-C
- Work around issues relating to NT mappings being executable
- Permit automatic executable stack override via `ape_stack_pf`
This commit is contained in:
Justine Tunney 2022-04-12 22:11:00 -07:00
parent c95c9d9508
commit f684e348d4
76 changed files with 1844 additions and 1121 deletions
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3
libc/calls/internal.h
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@ -7,6 +7,7 @@
#include "libc/calls/struct/metastat.internal.h"
#include "libc/calls/struct/rusage.h"
#include "libc/calls/struct/sigaction-xnu.internal.h"
#include "libc/calls/struct/siginfo-xnu.internal.h"
#include "libc/calls/struct/siginfo.h"
#include "libc/calls/struct/sigval.h"
#include "libc/calls/struct/stat.h"
@ -234,7 +235,7 @@ int sys_utimensat_xnu(int, const char *, const struct timespec *, int) hidden;
int sys_nanosleep_xnu(const struct timespec *, struct timespec *) hidden;
void __stat2cosmo(struct stat *restrict, const union metastat *) hidden;
void __restore_rt_netbsd(void) hidden;
void __sigenter_xnu(void *, i32, i32, struct __darwin_siginfo *,
void __sigenter_xnu(void *, i32, i32, struct siginfo_xnu *,
struct __darwin_ucontext *) hidden;
int gethostname_linux(char *, size_t) hidden;
int gethostname_bsd(char *, size_t) hidden;