Add fixes performance and static web server

libc/calls/atfork.c

@@ -17,10 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/bits/bits.h"
-#include "libc/calls/internal.h"
 #include "libc/macros.h"
-#include "libc/runtime/internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/sysv/errfuns.h"
 

libc/calls/clock_gettime.c

@@ -77,7 +77,7 @@ int clock_gettime(int clockid, struct timespec *out_ts) {
   } else {
     struct NtFileTime ft;
     GetSystemTimeAsFileTime(&ft);
-    *out_ts = filetimetotimespec(ft);
+    *out_ts = FileTimeToTimeSpec(ft);
     return 0;
   }
 }

libc/calls/fstat-nt.c

@@ -49,9 +49,9 @@ textwindows int fstat$nt(int64_t handle, struct stat *st) {
               : (((filetype == kNtFileTypeDisk) ? S_IFBLK : 0) |
                  ((filetype == kNtFileTypeChar) ? S_IFCHR : 0) |
                  ((filetype == kNtFileTypePipe) ? S_IFIFO : 0))));
-    st->st_atim = filetimetotimespec(wst.ftLastAccessFileTime);
-    st->st_mtim = filetimetotimespec(wst.ftLastWriteFileTime);
-    st->st_ctim = filetimetotimespec(wst.ftCreationFileTime);
+    st->st_atim = FileTimeToTimeSpec(wst.ftLastAccessFileTime);
+    st->st_mtim = FileTimeToTimeSpec(wst.ftLastWriteFileTime);
+    st->st_ctim = FileTimeToTimeSpec(wst.ftCreationFileTime);
     st->st_size = (uint64_t)wst.nFileSizeHigh << 32 | wst.nFileSizeLow;
     st->st_blksize = PAGESIZE;
     st->st_dev = wst.dwVolumeSerialNumber;

libc/calls/getpid.c

@@ -28,7 +28,6 @@
 static int g_pid;
 
 static void __updatepid(void) {
-  atfork(__updatepid, NULL);
   g_pid = __getpid();
 }
 
@@ -47,8 +46,9 @@ int __getpid(void) {
 int getpid(void) {
   static bool once;
   if (!once) {
-    once = true;
     __updatepid();
+    atfork(__updatepid, NULL);
+    once = true;
   }
   return g_pid;
 }

libc/calls/getrusage-nt.c

@@ -36,8 +36,8 @@ textwindows int getrusage$nt(int who, struct rusage *usage) {
   if ((who == RUSAGE_SELF ? GetProcessTimes : GetThreadTimes)(
           (who == RUSAGE_SELF ? GetCurrentProcess : GetCurrentThread)(),
           &CreationFileTime, &ExitFileTime, &KernelFileTime, &UserFileTime)) {
-    filetimetotimeval(&usage->ru_utime, UserFileTime);
-    filetimetotimeval(&usage->ru_stime, KernelFileTime);
+    FileTimeToTimeVal(&usage->ru_utime, UserFileTime);
+    FileTimeToTimeVal(&usage->ru_stime, KernelFileTime);
     return 0;
   } else {
     return winerr();

libc/calls/gettimeofday-nt.c

@@ -29,7 +29,7 @@
 int gettimeofday$nt(struct timeval *tv, struct timezone *tz) {
   struct NtFileTime ft;
   GetSystemTimeAsFileTime(&ft);
-  filetimetotimeval(tv, ft);
+  FileTimeToTimeVal(tv, ft);
   if (tz) memset(tz, 0, sizeof(*tz));
   return 0;
 }

libc/calls/open.c

@@ -35,7 +35,7 @@
  * @param mode is an octal user/group/other permission signifier, that's
  *     ignored if O_CREAT or O_TMPFILE weren't passed
  * @return number needing close(), or -1 w/ errno
- * @asyncsignalsafe
+ * @note don't call open() from signal handlers
  */
 nodiscard int open(const char *file, int flags, ...) {
   va_list va;

libc/calls/sigaction.c

@@ -155,7 +155,7 @@ int(sigaction)(int sig, const struct sigaction *act, struct sigaction *oldact) {
             ap->sa_restorer = &__restore_rt;
           }
         }
-        if (rva >= 0) {
+        if (rva >= kSigactionMinRva) {
           ap->sa_sigaction = (sigaction_f)__sigenter;
         }
       }

libc/calls/utimensat-nt.c

@@ -63,7 +63,7 @@ textwindows int utimensat$nt(int dirfd, const char *path,
       } else if (ts[i].tv_nsec == UTIME_OMIT) {
         ftp[i] = NULL;
       } else {
-        ft[i] = timespectofiletime(ts[i]);
+        ft[i] = TimeSpecToFileTime(ts[i]);
         ftp[i] = &ft[i];
       }
     }

libc/calls/wait4-nt.c

@@ -50,8 +50,8 @@ textwindows int wait4$nt(int pid, int *opt_out_wstatus, int options,
           memset(opt_out_rusage, 0, sizeof(*opt_out_rusage));
           GetProcessTimes(GetCurrentProcess(), &createfiletime, &exitfiletime,
                           &kernelfiletime, &userfiletime);
-          filetimetotimeval(&opt_out_rusage->ru_utime, userfiletime);
-          filetimetotimeval(&opt_out_rusage->ru_stime, kernelfiletime);
+          FileTimeToTimeVal(&opt_out_rusage->ru_utime, userfiletime);
+          FileTimeToTimeVal(&opt_out_rusage->ru_stime, kernelfiletime);
         }
         return pid;
       } else if (options & WNOHANG) {