add speculation control prctls from linux v4.17

[musl] / include / limits.h

diff --git a/include/limits.h b/include/limits.h
index 54d1940..9cb5426 100644 (file)
--- a/include/limits.h
+++ b/include/limits.h
@@ -40,12 +40,10 @@
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 
 #define PIPE_BUF 4096
-#define PAGESIZE PAGE_SIZE
 #define FILESIZEBITS 64
 #define NAME_MAX 255
 #define SYMLINK_MAX 255
 #define PATH_MAX 4096
-#define NZERO 20
 #define NGROUPS_MAX 32
 #define ARG_MAX 131072
 #define IOV_MAX 1024
@@ -53,7 +51,7 @@
 #define WORD_BIT 32
 #define SSIZE_MAX LONG_MAX
 #define TZNAME_MAX 6
-#define TTY_NAME_MAX 20
+#define TTY_NAME_MAX 32
 #define HOST_NAME_MAX 255
 
 /* Implementation choices... */
@@ -80,14 +78,29 @@
 #define RE_DUP_MAX 255
 
 #define NL_ARGMAX 9
-#define NL_LANGMAX 32
 #define NL_MSGMAX 32767
-#define NL_NMAX (MB_LEN_MAX*4)
 #define NL_SETMAX 255
 #define NL_TEXTMAX 2048
 
 #endif
 
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_XOPEN_SOURCE)
+
+#ifdef PAGESIZE
+#define PAGE_SIZE PAGESIZE
+#endif
+#define NZERO 20
+#define NL_LANGMAX 32
+
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) \
+ || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
+
+#define NL_NMAX 16
+
+#endif
+
 /* POSIX/SUS requirements follow. These numbers come directly
  * from SUS and have nothing to do with the host system. */