From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 12 Feb 2011 00:22:29 -0500
Subject: initial check-in, version 0.5.0

---
 src/mman/madvise.c       | 10 ++++++++++
 src/mman/mlock.c         |  7 +++++++
 src/mman/mlockall.c      |  7 +++++++
 src/mman/mmap.c          | 18 ++++++++++++++++++
 src/mman/mprotect.c      |  7 +++++++
 src/mman/mremap.c        | 19 +++++++++++++++++++
 src/mman/msync.c         |  8 ++++++++
 src/mman/munlock.c       |  7 +++++++
 src/mman/munlockall.c    |  7 +++++++
 src/mman/munmap.c        | 11 +++++++++++
 src/mman/posix_madvise.c |  6 ++++++
 11 files changed, 107 insertions(+)
 create mode 100644 src/mman/madvise.c
 create mode 100644 src/mman/mlock.c
 create mode 100644 src/mman/mlockall.c
 create mode 100644 src/mman/mmap.c
 create mode 100644 src/mman/mprotect.c
 create mode 100644 src/mman/mremap.c
 create mode 100644 src/mman/msync.c
 create mode 100644 src/mman/munlock.c
 create mode 100644 src/mman/munlockall.c
 create mode 100644 src/mman/munmap.c
 create mode 100644 src/mman/posix_madvise.c

(limited to 'src/mman')

diff --git a/src/mman/madvise.c b/src/mman/madvise.c
new file mode 100644
index 00000000..f03647ca
--- /dev/null
+++ b/src/mman/madvise.c
@@ -0,0 +1,10 @@
+#include <sys/mman.h>
+#include "syscall.h"
+#include "libc.h"
+
+int __madvise(void *addr, size_t len, int advice)
+{
+	return syscall3(__NR_madvise, (long)addr, len, advice);
+}
+
+weak_alias(__madvise, madvise);
diff --git a/src/mman/mlock.c b/src/mman/mlock.c
new file mode 100644
index 00000000..3c7c653c
--- /dev/null
+++ b/src/mman/mlock.c
@@ -0,0 +1,7 @@
+#include <sys/mman.h>
+#include "syscall.h"
+
+int mlock(const void *addr, size_t len)
+{
+	return syscall2(__NR_mlock, (long)addr, len);
+}
diff --git a/src/mman/mlockall.c b/src/mman/mlockall.c
new file mode 100644
index 00000000..782fc9db
--- /dev/null
+++ b/src/mman/mlockall.c
@@ -0,0 +1,7 @@
+#include <sys/mman.h>
+#include "syscall.h"
+
+int mlockall(int flags)
+{
+	return syscall1(__NR_mlockall, flags);
+}
diff --git a/src/mman/mmap.c b/src/mman/mmap.c
new file mode 100644
index 00000000..93c76582
--- /dev/null
+++ b/src/mman/mmap.c
@@ -0,0 +1,18 @@
+#include <unistd.h>
+#include <sys/mman.h>
+#include <errno.h>
+#include <limits.h>
+#include "syscall.h"
+#include "libc.h"
+
+void *__mmap(void *start, size_t len, int prot, int flags, int fd, off_t off)
+{
+	if (sizeof(off_t) > sizeof(long))
+		if (((long)off & 0xfff) | ((long)((unsigned long long)off>>(12 + 8*(sizeof(off_t)-sizeof(long))))))
+			start = (void *)-1;
+	return (void *)syscall6(__NR_mmap2, (long)start, len, prot, flags, fd, off>>12);
+}
+
+weak_alias(__mmap, mmap);
+
+LFS64(mmap);
diff --git a/src/mman/mprotect.c b/src/mman/mprotect.c
new file mode 100644
index 00000000..11d5e231
--- /dev/null
+++ b/src/mman/mprotect.c
@@ -0,0 +1,7 @@
+#include <sys/mman.h>
+#include "syscall.h"
+
+int mprotect(void *addr, size_t len, int prot)
+{
+	return syscall3(__NR_mprotect, (long)addr, len, prot);
+}
diff --git a/src/mman/mremap.c b/src/mman/mremap.c
new file mode 100644
index 00000000..78491ef4
--- /dev/null
+++ b/src/mman/mremap.c
@@ -0,0 +1,19 @@
+#include <unistd.h>
+#include <sys/mman.h>
+#include <stdarg.h>
+#include "syscall.h"
+#include "libc.h"
+
+void *__mremap(void *old_addr, size_t old_len, size_t new_len, int flags, ...)
+{
+	va_list ap;
+	void *new_addr;
+	
+	va_start(ap, flags);
+	new_addr = va_arg(ap, void *);
+	va_end(ap);
+
+	return (void *)syscall5(__NR_mremap, (long)old_addr, old_len, new_len, flags, (long)new_addr);
+}
+
+weak_alias(__mremap, mremap);
diff --git a/src/mman/msync.c b/src/mman/msync.c
new file mode 100644
index 00000000..e0926470
--- /dev/null
+++ b/src/mman/msync.c
@@ -0,0 +1,8 @@
+#include <unistd.h>
+#include <sys/mman.h>
+#include "syscall.h"
+
+int msync(void *start, size_t len, int flags)
+{
+	return syscall3(__NR_msync, (long)start, len, flags);
+}
diff --git a/src/mman/munlock.c b/src/mman/munlock.c
new file mode 100644
index 00000000..0db59815
--- /dev/null
+++ b/src/mman/munlock.c
@@ -0,0 +1,7 @@
+#include <sys/mman.h>
+#include "syscall.h"
+
+int munlock(const void *addr, size_t len)
+{
+	return syscall2(__NR_munlock, (long)addr, len);
+}
diff --git a/src/mman/munlockall.c b/src/mman/munlockall.c
new file mode 100644
index 00000000..ce3e86cc
--- /dev/null
+++ b/src/mman/munlockall.c
@@ -0,0 +1,7 @@
+#include <sys/mman.h>
+#include "syscall.h"
+
+int munlockall(void)
+{
+	return syscall0(__NR_munlockall);
+}
diff --git a/src/mman/munmap.c b/src/mman/munmap.c
new file mode 100644
index 00000000..c9661cda
--- /dev/null
+++ b/src/mman/munmap.c
@@ -0,0 +1,11 @@
+#include <unistd.h>
+#include <sys/mman.h>
+#include "syscall.h"
+#include "libc.h"
+
+int __munmap(void *start, size_t len)
+{
+	return syscall2(__NR_munmap, (long)start, len);
+}
+
+weak_alias(__munmap, munmap);
diff --git a/src/mman/posix_madvise.c b/src/mman/posix_madvise.c
new file mode 100644
index 00000000..4727ad75
--- /dev/null
+++ b/src/mman/posix_madvise.c
@@ -0,0 +1,6 @@
+#include <sys/mman.h>
+
+int posix_madvise(void *addr, size_t len, int advice)
+{
+	return 0;
+}
-- 
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