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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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7
libc/sock/sendmsg.c
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@ -18,13 +18,13 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/calls/internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/calls/struct/iovec.h"
#include "libc/calls/struct/iovec.internal.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/strace.internal.h"
#include "libc/sock/internal.h"
#include "libc/sock/sock.h"
#include "libc/sock/struct/msghdr.h"
@ -91,9 +91,8 @@ ssize_t sendmsg(int fd, const struct msghdr *msg, int flags) {
if (msg->msg_controllen)
kprintf(", .control=%#.*hhs, ", msg->msg_controllen, msg->msg_control);
if (msg->msg_flags) kprintf(".flags=%#x, ", msg->msg_flags);
kprintf(", .iov=", fd);
DescribeIov(msg->msg_iov, msg->msg_iovlen, rc != -1 ? rc : 0);
kprintf("}");
kprintf(", .iov=%s",
DescribeIovec(rc != -1 ? rc : -2, msg->msg_iov, msg->msg_iovlen));
}
kprintf(", %#x) → %'ld% m\n", flags, rc);
}