From: Chris Wright <chrisw@osdl.org>
To: linux-kernel@vger.kernel.org
Cc: akpm@osdl.org, torvalds@osdl.org, marcelo.tosatti@cyclades.com
Subject: [PATCH 1/11] add rlimit entry for controlling queued signals
Date: Tue, 11 May 2004 01:45:24 -0700 [thread overview]
Message-ID: <20040511014524.Z21045@build.pdx.osdl.net> (raw)
In-Reply-To: <20040511014232.Y21045@build.pdx.osdl.net>; from chrisw@osdl.org on Tue, May 11, 2004 at 01:42:32AM -0700
Add an rlimit entry to control the maximum number of pending signals a user
may have. This is essentially just the resource.h changes.
===== include/asm-alpha/resource.h 1.1 vs edited =====
--- 1.1/include/asm-alpha/resource.h Tue Feb 5 09:39:46 2002
+++ edited/include/asm-alpha/resource.h Mon May 10 18:24:25 2004
@@ -15,9 +15,10 @@
#define RLIMIT_AS 7 /* address space limit(?) */
#define RLIMIT_NPROC 8 /* max number of processes */
#define RLIMIT_MEMLOCK 9 /* max locked-in-memory address space */
-#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned. Fine, it's unsigned, but
@@ -40,7 +41,8 @@
{LONG_MAX, LONG_MAX}, /* RLIMIT_AS */ \
{LONG_MAX, LONG_MAX}, /* RLIMIT_NPROC */ \
{LONG_MAX, LONG_MAX}, /* RLIMIT_MEMLOCK */ \
- {LONG_MAX, LONG_MAX}, /* RLIMIT_LOCKS */ \
+ {LONG_MAX, LONG_MAX}, /* RLIMIT_LOCKS */ \
+ {MAX_SIGPENDING, MAX_SIGPENDING}, /* RLIMIT_SIGPENDING */ \
}
#endif /* __KERNEL__ */
===== include/asm-arm/resource.h 1.1 vs edited =====
--- 1.1/include/asm-arm/resource.h Tue Feb 5 09:39:52 2002
+++ edited/include/asm-arm/resource.h Mon May 10 18:22:10 2004
@@ -16,8 +16,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
#ifdef __KERNEL__
@@ -40,6 +41,7 @@
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING}, \
}
#endif /* __KERNEL__ */
===== include/asm-arm26/resource.h 1.1 vs edited =====
--- 1.1/include/asm-arm26/resource.h Wed Jun 4 04:14:10 2003
+++ edited/include/asm-arm26/resource.h Mon May 10 18:22:10 2004
@@ -16,8 +16,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
#ifdef __KERNEL__
@@ -40,6 +41,7 @@
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING}, \
}
#endif /* __KERNEL__ */
===== include/asm-cris/resource.h 1.1 vs edited =====
--- 1.1/include/asm-cris/resource.h Tue Feb 5 09:56:43 2002
+++ edited/include/asm-cris/resource.h Mon May 10 18:25:50 2004
@@ -15,9 +15,10 @@
#define RLIMIT_NOFILE 7 /* max number of open files */
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
-#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned.
@@ -38,8 +39,9 @@
{ 0, 0 }, \
{ INR_OPEN, INR_OPEN }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
- { RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-h8300/resource.h 1.1 vs edited =====
--- 1.1/include/asm-h8300/resource.h Sun Feb 16 16:01:58 2003
+++ edited/include/asm-h8300/resource.h Mon May 10 18:26:57 2004
@@ -16,8 +16,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned.
@@ -39,7 +40,8 @@
{ INR_OPEN, INR_OPEN }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
- { RLIM_INFINITY, RLIM_INFINITY }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-i386/resource.h 1.1 vs edited =====
--- 1.1/include/asm-i386/resource.h Tue Feb 5 09:39:44 2002
+++ edited/include/asm-i386/resource.h Mon May 10 18:22:10 2004
@@ -16,8 +16,10 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
+
+#define RLIM_NLIMITS 12
-#define RLIM_NLIMITS 11
/*
* SuS says limits have to be unsigned.
@@ -39,7 +41,8 @@
{ INR_OPEN, INR_OPEN }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
- { RLIM_INFINITY, RLIM_INFINITY }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-ia64/resource.h 1.3 vs edited =====
--- 1.3/include/asm-ia64/resource.h Fri Jan 23 10:52:25 2004
+++ edited/include/asm-ia64/resource.h Mon May 10 18:22:10 2004
@@ -23,8 +23,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned.
@@ -47,6 +48,7 @@
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
# endif /* __KERNEL__ */
===== include/asm-m68k/resource.h 1.2 vs edited =====
--- 1.2/include/asm-m68k/resource.h Fri Nov 9 05:47:28 2001
+++ edited/include/asm-m68k/resource.h Mon May 10 18:22:10 2004
@@ -16,8 +16,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned.
@@ -39,7 +40,8 @@
{ INR_OPEN, INR_OPEN }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
- { RLIM_INFINITY, RLIM_INFINITY }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-mips/resource.h 1.3 vs edited =====
--- 1.3/include/asm-mips/resource.h Mon Jul 28 04:57:50 2003
+++ edited/include/asm-mips/resource.h Mon May 10 18:22:10 2004
@@ -23,8 +23,9 @@
#define RLIMIT_NPROC 8 /* max number of processes */
#define RLIMIT_MEMLOCK 9 /* max locked-in-memory address space */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11 /* Number of limit flavors. */
+#define RLIM_NLIMITS 12 /* Number of limit flavors. */
#ifdef __KERNEL__
@@ -54,6 +55,7 @@
{ 0, 0 }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-parisc/resource.h 1.1 vs edited =====
--- 1.1/include/asm-parisc/resource.h Tue Feb 5 09:39:57 2002
+++ edited/include/asm-parisc/resource.h Mon May 10 18:22:10 2004
@@ -16,8 +16,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned.
@@ -40,6 +41,7 @@
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-ppc/resource.h 1.3 vs edited =====
--- 1.3/include/asm-ppc/resource.h Sun Sep 15 21:52:06 2002
+++ edited/include/asm-ppc/resource.h Mon May 10 18:22:10 2004
@@ -12,8 +12,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit(?) */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
#ifdef __KERNEL__
@@ -37,6 +38,7 @@
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-ppc64/resource.h 1.1 vs edited =====
--- 1.1/include/asm-ppc64/resource.h Thu Feb 14 04:14:36 2002
+++ edited/include/asm-ppc64/resource.h Mon May 10 18:22:10 2004
@@ -21,8 +21,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit(?) */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
#ifdef __KERNEL__
@@ -46,6 +47,7 @@
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-s390/resource.h 1.2 vs edited =====
--- 1.2/include/asm-s390/resource.h Mon Feb 4 23:37:28 2002
+++ edited/include/asm-s390/resource.h Mon May 10 18:22:10 2004
@@ -24,8 +24,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
-
-#define RLIM_NLIMITS 11
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
+
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned.
@@ -48,6 +49,7 @@
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-sh/resource.h 1.1 vs edited =====
--- 1.1/include/asm-sh/resource.h Tue Feb 5 09:39:53 2002
+++ edited/include/asm-sh/resource.h Mon May 10 18:22:10 2004
@@ -16,8 +16,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
#ifdef __KERNEL__
@@ -40,6 +41,7 @@
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-sparc/resource.h 1.1 vs edited =====
--- 1.1/include/asm-sparc/resource.h Tue Feb 5 09:39:47 2002
+++ edited/include/asm-sparc/resource.h Mon May 10 18:32:32 2004
@@ -19,11 +19,12 @@
#define RLIMIT_RSS 5 /* max resident set size */
#define RLIMIT_NOFILE 6 /* max number of open files */
#define RLIMIT_NPROC 7 /* max number of processes */
-#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
-#define RLIMIT_AS 9 /* address space limit */
+#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
+#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned.
@@ -44,7 +45,8 @@
{INR_OPEN, INR_OPEN}, {0, 0}, \
{RLIM_INFINITY, RLIM_INFINITY}, \
{RLIM_INFINITY, RLIM_INFINITY}, \
- {RLIM_INFINITY, RLIM_INFINITY} \
+ {RLIM_INFINITY, RLIM_INFINITY}, \
+ {MAX_SIGPENDING, MAX_SIGPENDING}, \
}
#endif /* __KERNEL__ */
===== include/asm-sparc64/resource.h 1.1 vs edited =====
--- 1.1/include/asm-sparc64/resource.h Tue Feb 5 09:39:50 2002
+++ edited/include/asm-sparc64/resource.h Mon May 10 18:33:39 2004
@@ -19,11 +19,12 @@
#define RLIMIT_RSS 5 /* max resident set size */
#define RLIMIT_NOFILE 6 /* max number of open files */
#define RLIMIT_NPROC 7 /* max number of processes */
-#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
-#define RLIMIT_AS 9 /* address space limit */
+#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
+#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned.
@@ -43,7 +44,8 @@
{INR_OPEN, INR_OPEN}, {0, 0}, \
{RLIM_INFINITY, RLIM_INFINITY}, \
{RLIM_INFINITY, RLIM_INFINITY}, \
- {RLIM_INFINITY, RLIM_INFINITY} \
+ {RLIM_INFINITY, RLIM_INFINITY}, \
+ {MAX_SIGPENDING, MAX_SIGPENDING}, \
}
#endif /* __KERNEL__ */
===== include/asm-v850/resource.h 1.1 vs edited =====
--- 1.1/include/asm-v850/resource.h Fri Nov 1 08:38:12 2002
+++ edited/include/asm-v850/resource.h Mon May 10 18:34:44 2004
@@ -16,8 +16,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned.
@@ -39,7 +40,8 @@
{ INR_OPEN, INR_OPEN }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
- { RLIM_INFINITY, RLIM_INFINITY }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/asm-x86_64/resource.h 1.1 vs edited =====
--- 1.1/include/asm-x86_64/resource.h Thu Feb 7 02:55:27 2002
+++ edited/include/asm-x86_64/resource.h Mon May 10 18:22:10 2004
@@ -16,8 +16,9 @@
#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
#define RLIMIT_AS 9 /* address space limit */
#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
-#define RLIM_NLIMITS 11
+#define RLIM_NLIMITS 12
/*
* SuS says limits have to be unsigned.
@@ -39,7 +40,8 @@
{ INR_OPEN, INR_OPEN }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
{ RLIM_INFINITY, RLIM_INFINITY }, \
- { RLIM_INFINITY, RLIM_INFINITY }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
}
#endif /* __KERNEL__ */
===== include/linux/signal.h 1.15 vs edited =====
--- 1.15/include/linux/signal.h Thu Jan 15 12:40:33 2004
+++ edited/include/linux/signal.h Mon May 10 18:22:10 2004
@@ -7,6 +7,9 @@
#include <asm/siginfo.h>
#ifdef __KERNEL__
+
+#define MAX_SIGPENDING 1024
+
/*
* Real Time signals may be queued.
*/
next prev parent reply other threads:[~2004-05-11 8:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-11 8:42 [PATCH 0/11] rlimits for both queued signals and POSIX mqueues Chris Wright
2004-05-11 8:45 ` Chris Wright [this message]
2004-05-11 8:46 ` [PATCH 2/11] add sigpending field to user_struct Chris Wright
2004-05-11 8:48 ` [PATCH 3/11] pass task_struct in send_signal() Chris Wright
2004-05-11 8:50 ` [PATCH 4/11] add simple get_uid() helper Chris Wright
2004-05-11 8:52 ` [PATCH 5/11] enforce rlimits on queued signals Chris Wright
2004-05-11 8:53 ` [PATCH 6/11] remove unused queued_signals global accounting Chris Wright
2004-05-11 8:56 ` [PATCH 7/11] add rlimit entry for POSIX mqueue allocation Chris Wright
2004-05-11 8:58 ` [PATCH 8/11] add mq_bytes to user_struct Chris Wright
2004-05-11 9:00 ` [PATCH 9/11] add mq_attr_ok() helper Chris Wright
2004-05-11 9:02 ` [PATCH 10/11] enforce rlimits for POSIX mqueue allocation Chris Wright
2004-05-11 9:04 ` [PATCH 11/11] adjust default mqueue sizes Chris Wright
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