Improve isystem includes and magic numbers

libc/calls/calls.h

@@ -151,6 +151,7 @@ int posix_fadvise(int, uint64_t, uint64_t, int);
 int posix_madvise(void *, uint64_t, int);
 int prctl();
 int raise(int);
+int reboot(int);
 int readlink(const char *, char *, size_t);
 int remove(const char *);
 int rename(const char *, const char *);

libc/calls/calls.mk

@@ -41,10 +41,11 @@ LIBC_CALLS_A_DIRECTDEPS =				\
 	LIBC_INTRIN					\
 	LIBC_NEXGEN32E					\
 	LIBC_NT_ADVAPI32				\
+	LIBC_NT_IPHLPAPI				\
 	LIBC_NT_KERNEL32				\
 	LIBC_NT_NTDLL					\
+	LIBC_NT_POWERPROF				\
 	LIBC_NT_WS2_32					\
-	LIBC_NT_IPHLPAPI				\
 	LIBC_STR					\
 	LIBC_STUBS					\
 	LIBC_SYSV_CALLS					\

libc/calls/ftok.c

@@ -0,0 +1,28 @@
+/*-*- 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 2021 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/calls/calls.h"
+#include "libc/calls/struct/stat.h"
+#include "libc/calls/weirdtypes.h"
+#include "libc/str/str.h"
+
+int ftok(const char *path, int id) {
+  struct stat st;
+  if (stat(path, &st) == -1) return -1;
+  return (uint32_t)id << 24 | (st.st_dev & 0xff) << 16 | (st.st_ino & 0xffff);
+}

libc/calls/ipc.h

@@ -0,0 +1,20 @@
+#ifndef COSMOPOLITAN_LIBC_CALLS_IPC_H_
+#define COSMOPOLITAN_LIBC_CALLS_IPC_H_
+
+#define IPC_PRIVATE 0
+#define IPC_RMID    0
+#define IPC_SET     1
+#define IPC_STAT    2
+#define IPC_INFO    3
+#define IPC_CREAT   01000
+#define IPC_EXCL    02000
+#define IPC_NOWAIT  04000
+
+#if !(__ASSEMBLER__ + __LINKER__ + 0)
+COSMOPOLITAN_C_START_
+
+int ftok(const char *, int);
+
+COSMOPOLITAN_C_END_
+#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
+#endif /* COSMOPOLITAN_LIBC_CALLS_IPC_H_ */

libc/calls/mount.c

@@ -0,0 +1,100 @@
+/*-*- 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 2021 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/calls/mount.h"
+#include "libc/dce.h"
+#include "libc/str/str.h"
+#include "libc/sysv/errfuns.h"
+
+int32_t sys_mount_linux(const char *source, const char *target,
+                        const char *filesystemtype, uint64_t mountflags,
+                        const void *data) asm("sys_mount");
+int32_t sys_mount_bsd(const char *type, const char *dir, int32_t flags,
+                      void *data) asm("sys_mount");
+
+/**
+ * Mounts file system.
+ *
+ * The following flags may be specified:
+ *
+ * - `MS_RDONLY` (mount read-only)
+ * - `MS_NOSUID` (don't honor S_ISUID bit)
+ * - `MS_NODEV` (disallow special files)
+ * - `MS_NOEXEC` (disallow program execution)
+ * - `MS_SYNCHRONOUS` (writes are synced at once)
+ * - `MS_NOATIME` (do not update access times)
+ * - `MS_REMOUNT` (tune existing mounting)
+ *
+ * The following flags may also be used, but could be set to zero at
+ * runtime if the underlying kernel doesn't support them.
+ *
+ * - `MNT_ASYNC` (xnu, freebsd, openbsd, netbsd)
+ * - `MNT_RELOAD` (xnu, freebsd, openbsd, netbsd)
+ * - `MS_STRICTATIME` (linux, xnu)
+ * - `MS_RELATIME` (linux, netbsd)
+ * - `MNT_SNAPSHOT` (xnu, freebsd)
+ * - `MS_MANDLOCK` (linux)
+ * - `MS_DIRSYNC` (linux)
+ * - `MS_NODIRATIME` (linux)
+ * - `MS_BIND` (linux)
+ * - `MS_MOVE` (linux)
+ * - `MS_REC` (linux)
+ * - `MS_SILENT` (linux)
+ * - `MS_POSIXACL` (linux)
+ * - `MS_UNBINDABLE` (linux)
+ * - `MS_PRIVATE` (linux)
+ * - `MS_SLAVE` (linux)
+ * - `MS_SHARED` (linux)
+ * - `MS_KERNMOUNT` (linux)
+ * - `MS_I_VERSION` (linux)
+ * - `MS_LAZYTIME` (linux)
+ * - `MS_ACTIVE` (linux)
+ * - `MS_NOUSER` (linux)
+ * - `MS_RMT`_MASK (linux)
+ * - `MNT_SUIDDIR` (freebsd)
+ * - `MNT_NOCLUSTERR` (freebsd)
+ * - `MNT_NOCLUSTERW` (freebsd)
+ *
+ * Some example values for the `type` parameter:
+ *
+ * - `"nfs"`
+ * - `"vfat"`
+ * - `"tmpfs"`
+ * - `"iso8601"`
+ *
+ */
+int mount(const char *source, const char *target, const char *type,
+          unsigned long flags, const void *data) {
+  if (!IsWindows()) {
+    if (!IsBsd()) {
+      return sys_mount_linux(source, target, type, flags, data);
+    } else {
+      if (!strcmp(type, "iso9660")) type = "cd9660";
+      if (!strcmp(type, "vfat")) {
+        if (IsOpenbsd() || IsNetbsd()) {
+          type = "msdos";
+        } else {
+          type = "msdosfs";
+        }
+      }
+      return sys_mount_bsd(type, target, flags, data);
+    }
+  } else {
+    return enosys();
+  }
+}

libc/calls/mount.h

@@ -0,0 +1,17 @@
+#ifndef COSMOPOLITAN_LIBC_CALLS_MOUNT_H_
+#define COSMOPOLITAN_LIBC_CALLS_MOUNT_H_
+#if !(__ASSEMBLER__ + __LINKER__ + 0)
+COSMOPOLITAN_C_START_
+
+int mount(const char *, const char *, const char *, unsigned long,
+          const void *);
+int unmount(const char *, int);
+
+#ifdef _GNU_SOURCE
+int umount(const char *);
+int umount2(const char *, int);
+#endif
+
+COSMOPOLITAN_C_END_
+#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
+#endif /* COSMOPOLITAN_LIBC_CALLS_MOUNT_H_ */

libc/calls/reboot.c

@@ -0,0 +1,93 @@
+/*-*- 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 2021 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/calls/calls.h"
+#include "libc/calls/internal.h"
+#include "libc/calls/struct/framebuffervirtualscreeninfo.h"
+#include "libc/dce.h"
+#include "libc/nt/system.h"
+#include "libc/runtime/runtime.h"
+#include "libc/sysv/errfuns.h"
+
+#define kNtShutdownForceOthers   1
+#define kNtShutdownForceSelf     2
+#define kNtShutdownGraceOverride 0x20
+#define kNtShutdownHybrid        0x200
+
+int32_t sys_reboot_linux(int32_t, int32_t, int32_t) asm("sys_reboot");
+int32_t sys_reboot_bsd(int32_t, const char *) asm("sys_reboot");
+
+/**
+ * Reboots system.
+ *
+ * The `howto` argument may be one of the following:
+ *
+ * - `RB_AUTOBOOT`
+ * - `RB_POWER_OFF`
+ * - `RB_HALT_SYSTEM`
+ * - `RB_SW_SUSPEND` (linux and windows only)
+ * - `RB_KEXEC` (linux only)
+ * - `RB_ENABLE_CAD` (linux only)
+ * - `RB_DISABLE_CAD` (linux only)
+ *
+ * There's an implicit `sync()` operation before the reboot happens.
+ * This can be prevented by or'ing `howto` with `RB_NOSYNC`. Setting
+ * this option will also prevent apps on Windows from having time to
+ * close themselves.
+ */
+int reboot(int howto) {
+  bool ok, immediately;
+  if (howto != -1) {
+    if (!(howto & 0x20000000)) {
+      sync();
+      immediately = false;
+    } else {
+      howto &= ~0x20000000;
+      immediately = true;
+    }
+    if (!IsWindows()) {
+      if (IsLinux()) {
+        return sys_reboot_linux(0xFEE1DEAD, 0x28121969, howto);
+      } else {
+        return sys_reboot_bsd(howto, 0);
+      }
+    } else {
+      if (howto == 0xD000FCE2u) {
+        ok = !!SetSuspendState(0, 0, 0);
+      } else {
+        howto |= kNtShutdownForceOthers;
+        howto |= kNtShutdownForceSelf;
+        if (NtGetVersion() >= 8) {
+          howto |= kNtShutdownHybrid;
+        }
+        if (immediately) {
+          ok = !!InitiateShutdown(0, 0, 0, howto | kNtShutdownGraceOverride, 0);
+        } else {
+          ok = !!InitiateShutdown(0, 0, 20, howto, 0);
+        }
+      }
+      if (ok) {
+        return 0;
+      } else {
+        return -1;
+      }
+    }
+  } else {
+    return einval();
+  }
+}

libc/calls/ttydefaults.h

@@ -0,0 +1,33 @@
+#ifndef COSMOPOLITAN_LIBC_CALLS_TTYDEFAULTS_H_
+#define COSMOPOLITAN_LIBC_CALLS_TTYDEFAULTS_H_
+#include "libc/sysv/consts/baud.h"
+#include "libc/sysv/consts/termios.h"
+
+#define TTYDEF_IFLAG (BRKINT | ISTRIP | ICRNL | IMAXBEL | IXON | IXANY)
+#define TTYDEF_OFLAG (OPOST | ONLCR | XTABS)
+#define TTYDEF_LFLAG (ECHO | ICANON | ISIG | IEXTEN | ECHOE | ECHOKE | ECHOCTL)
+#define TTYDEF_CFLAG (CREAD | CS8 | HUPCL)
+#define TTYDEF_SPEED (B9600)
+
+#define CTRL(x)  ((x) ^ 0100)
+#define CEOF     CTRL('D')
+#define CERASE   CTRL('?')
+#define CINTR    CTRL('C')
+#define CKILL    CTRL('U')
+#define CQUIT    CTRL('\\')
+#define CSUSP    CTRL('Z')
+#define CDSUSP   CTRL('Y')
+#define CSTART   CTRL('Q')
+#define CSTOP    CTRL('S')
+#define CLNEXT   CTRL('V')
+#define CDISCARD CTRL('O')
+#define CWERASE  CTRL('W')
+#define CREPRINT CTRL('R')
+#define CEOT     CEOF
+#define CBRK     CEOL
+#define CRPRNT   CREPRINT
+#define CFLUSH   CDISCARD
+#define CMIN     1
+#define CTIME    0
+
+#endif /* COSMOPOLITAN_LIBC_CALLS_TTYDEFAULTS_H_ */

libc/calls/unmount.c

@@ -0,0 +1,41 @@
+/*-*- 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 2021 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/calls/mount.h"
+
+int sys_unmount(const char *, int);
+
+/**
+ * Unmounts file system.
+ *
+ * The following flags may be specified:
+ *
+ * - `MNT_FORCE`
+ *
+ * The following flags may also be used, but could be set to zero at
+ * runtime if the underlying kernel doesn't support them.
+ *
+ * - `MNT_DETACH`
+ * - `MNT_EXPIRE`
+ * - `UMOUNT_NOFOLLOW`
+ * - `MNT_BYFSID`
+ *
+ */
+int unmount(const char *target, int flags) {
+  return sys_unmount(target, flags);
+}