Changes between Version 10 and Version 11 of jazz/08-11-17

Timestamp:

Nov 18, 2008, 4:16:23 AM (16 years ago)

Author:

jazz

Comment:

--

jazz/08-11-17

@@ -37 +37 @@
 _SC_PAGESIZE = 4096
 }}}
+ * 根據 mmap 的 manpages，產生 EINVAL 錯誤的另一個原因是 length 等於零(從 Linux 2.6.12 以後)，確認主因為 length 參數 = p->mlen = 0
+{{{
+MMAP(2): void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset);
+MMAP(2): EINVAL (since Linux 2.6.12) length was 0.
+
+566             p->mmio = (u_char*)mmap(NULL, p->mlen, PROT_READ|PROT_WRITE,
+567                                     MAP_SHARED, p->fh, p->slen);
+(gdb) p p->mlen
+$3 = 0
+}}}
 
 == CUDA ==