Differences between version 3 and revision by previous author of mprotect(2).
Other diffs: Previous Major Revision, Previous Revision, or view the Annotated Edit History
| Newer page: | version 3 | Last edited on Wednesday, September 10, 2003 9:14:19 pm | by JohnMcPherson | Revert |
| Older page: | version 2 | Last edited on Saturday, March 15, 2003 1:02:07 am | by PerryLorier | Revert |
@@ -44,9 +44,9 @@
/* Allocate a buffer; it will have the default
protection of PROT_READ|PROT_WRITE. */
p = malloc(1024+PAGESIZE‐1);
if (!p) {
- perror("Couldn’
t malloc(1024)");
+ perror("Couldn�
t malloc(1024)");
exit(errno);
}
/* Align to a multiple of PAGESIZE, assumed to be a power of two */
@@ -56,9 +56,9 @@
p[666] = 42; /* Write; ok */
/* Mark the buffer read‐only. */
if (mprotect(p, 1024, PROT_READ)) {
- perror("Couldn’
t mprotect");
+ perror("Couldn'
t mprotect");
exit(errno);
}
c = p[[666]; /* Read; ok */
@@ -67,9 +67,9 @@
exit(0);
}
!!CONFORMING TO
-SVr4, POSIX.1b (formerly POSIX.4). SVr4 defines an additional error code [EAGAIN]. The SVr4 error conditions don't map neatly onto Linux's. POSIX.1b says that
+SVr4, [
POSIX]
.1b (formerly POSIX.4). SVr4 defines an additional error code [EAGAIN]. The SVr4 error conditions don't map neatly onto [
Linux]
's. POSIX.1b says that
__mprotect__ can be used only on regions of memory obtained from mmap(2).
!!SEE ALSO
mmap(2)
