Create a fake syscall() function due to Python

ape/ape.lds

@@ -401,6 +401,7 @@ SECTIONS {
 /*BEGIN: NT FORK COPYING */
     KEEP(*(.dataprologue))
     *(.data .data.*)
+    *(.PyRuntime) /* for python */
     *(.subrs) /* for emacs */
     KEEP(*(SORT_BY_NAME(.sort.data.*)))
     . += . > 0 ? CODE_GRANULE : 0;

libc/isystem/netinet/in.h

@@ -5,6 +5,7 @@
 #include "libc/sock/struct/ip_mreq.h"
 #include "libc/sock/struct/sockaddr.h"
 #include "libc/sock/struct/sockaddr6.h"
+#include "libc/sysv/consts/in.h"
 #include "libc/sysv/consts/inaddr.h"
 #include "libc/sysv/consts/inet6.h"
 #include "libc/sysv/consts/ip.h"

libc/isystem/sys/syscall.h

@@ -1,4 +1,4 @@
 #ifndef COSMOPOLITAN_LIBC_ISYSTEM_SYSCALL_H_
 #define COSMOPOLITAN_LIBC_ISYSTEM_SYSCALL_H_
-#include "libc/calls/calls.h"
+#include "libc/stdio/syscall.h"
 #endif /* COSMOPOLITAN_LIBC_ISYSTEM_SYSCALL_H_ */

libc/isystem/sys/xattr.h

@@ -1,4 +0,0 @@
-#ifndef COSMOPOLITAN_LIBC_ISYSTEM_SYS_XATTR_H_
-#define COSMOPOLITAN_LIBC_ISYSTEM_SYS_XATTR_H_
-#include "libc/calls/xattr.h"
-#endif /* COSMOPOLITAN_LIBC_ISYSTEM_SYS_XATTR_H_ */

libc/stdio/syscall.c

@@ -0,0 +1,49 @@
+/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
+│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
+╞══════════════════════════════════════════════════════════════════════════════╡
+│ Copyright 2023 Justine Alexandra Roberts Tunney                              │
+│                                                                              │
+│ Permission to use, copy, modify, and/or distribute this software for         │
+│ any purpose with or without fee is hereby granted, provided that the         │
+│ above copyright notice and this permission notice appear in all copies.      │
+│                                                                              │
+│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
+│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
+│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
+│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
+│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
+│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
+│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
+│ PERFORMANCE OF THIS SOFTWARE.                                                │
+╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/stdio/syscall.h"
+#include "libc/calls/calls.h"
+#include "libc/errno.h"
+#include "libc/stdio/rand.h"
+
+/**
+ * Translation layer for some Linux system calls:
+ *
+ * - `SYS_gettid`
+ * - `SYS_getrandom`
+ *
+ * @return negative errno on error
+ */
+long syscall(long number, ...) {
+  switch (number) {
+    default:
+      return -ENOSYS;
+    case SYS_gettid:
+      return gettid();
+    case SYS_getrandom: {
+      va_list va;
+      va_start(va, number);
+      void *buf = va_arg(va, void *);
+      size_t buflen = va_arg(va, size_t);
+      unsigned flags = va_arg(va, unsigned);
+      va_end(va);
+      ssize_t rc = getrandom(buf, buflen, flags);
+      return rc == -1 ? -errno : rc;
+    }
+  }
+}

libc/stdio/syscall.h

@@ -0,0 +1,13 @@
+#ifndef COSMOPOLITAN_LIBC_STDIO_SYSCALL_H_
+#define COSMOPOLITAN_LIBC_STDIO_SYSCALL_H_
+#if !(__ASSEMBLER__ + __LINKER__ + 0)
+COSMOPOLITAN_C_START_
+
+#define SYS_gettid    186
+#define SYS_getrandom 318
+
+long syscall(long, ...);
+
+COSMOPOLITAN_C_END_
+#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
+#endif /* COSMOPOLITAN_LIBC_STDIO_SYSCALL_H_ */

libc/sysv/consts/fio.h

@@ -9,13 +9,18 @@ extern const uint32_t FIONBIO;
 extern const uint32_t FIONCLEX;
 extern const uint32_t FIONREAD;
 
-COSMOPOLITAN_C_END_
-#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
-
 #define FIOASYNC FIOASYNC
 #define FIOCLEX  FIOCLEX
 #define FIONBIO  FIONBIO
 #define FIONCLEX FIONCLEX
 #define FIONREAD FIONREAD
 
+#define __tmpcosmo_FIOASYNC -484047213
+#define __tmpcosmo_FIOCLEX  -1198942590
+#define __tmpcosmo_FIONBIO  2035363853
+#define __tmpcosmo_FIONCLEX -25760400
+#define __tmpcosmo_FIONREAD 1333957726
+
+COSMOPOLITAN_C_END_
+#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
 #endif /* COSMOPOLITAN_LIBC_SYSV_CONSTS_FIO_H_ */

libc/sysv/consts/in.h

@@ -27,5 +27,6 @@
 #define IN_OPEN          0x20
 #define IN_Q_OVERFLOW    0x4000
 #define IN_UNMOUNT       0x2000
+#define IN_CLASSA_NSHIFT 24
 
 #endif /* COSMOPOLITAN_LIBC_SYSV_CONSTS_IN_H_ */