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Greatly expand system() shell code features

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The cosmopolitan command interpreter now has 13 builtin commands,
variable support, support for ; / && / || syntax, asynchronous support,
and plenty of unit tests with bug fixes.

This change fixes a bug in posix_spawn() with null envp arg. strace
logging now uses atomic writes for scatter functions. Breaking change
renaming GetCpuCount() to _getcpucount(). TurfWar is now updated to use
the new token bucket algorithm. WIN32 affinity masks now inherit across
fork() and execve().
This commit is contained in:
Justine Tunney 2022-10-11 21:06:27 -07:00
parent e7329b7cba
commit b41f91c658
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GPG key ID: BE714B4575D6E328
80 changed files with 1370 additions and 344 deletions
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2
libc/runtime/vfork.S
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@ -35,7 +35,7 @@
// @return pid of child process or 0 if forked process
// @returnstwice
// @vforksafe
vfork:
vfork: xor %edi,%edi # dwCreationFlags
#ifdef __SANITIZE_ADDRESS__
jmp fork # TODO: asan and vfork don't mix?
.endfn vfork,globl