From: Chris Wright The following patches introduce per user rlimits for both queued signals and POSIX message queues. The changes touch all the arches resource.h files as well as init_task.c to get the rlimit defaults setup. Both require caching the user_struct to avoid problems with setuid(). The signal changes makes some small changes to send_signal() to pass along the task being signalled to get proper accounting for signals initiated in interrupt. Thanks to Marcelo for getting this one going. This patch: Add an rlimit entry to control the maximum number of pending signals a user may have. This is essentially just the resource.h changes. --- 25-akpm/include/asm-alpha/resource.h | 8 +++++--- 25-akpm/include/asm-arm/resource.h | 4 +++- 25-akpm/include/asm-arm26/resource.h | 4 +++- 25-akpm/include/asm-cris/resource.h | 8 +++++--- 25-akpm/include/asm-h8300/resource.h | 6 ++++-- 25-akpm/include/asm-i386/resource.h | 7 +++++-- 25-akpm/include/asm-ia64/resource.h | 4 +++- 25-akpm/include/asm-m68k/resource.h | 6 ++++-- 25-akpm/include/asm-mips/resource.h | 4 +++- 25-akpm/include/asm-parisc/resource.h | 4 +++- 25-akpm/include/asm-ppc/resource.h | 4 +++- 25-akpm/include/asm-ppc64/resource.h | 4 +++- 25-akpm/include/asm-s390/resource.h | 6 ++++-- 25-akpm/include/asm-sh/resource.h | 4 +++- 25-akpm/include/asm-sparc/resource.h | 10 ++++++---- 25-akpm/include/asm-sparc64/resource.h | 10 ++++++---- 25-akpm/include/asm-v850/resource.h | 6 ++++-- 25-akpm/include/asm-x86_64/resource.h | 6 ++++-- 25-akpm/include/linux/signal.h | 3 +++ 19 files changed, 74 insertions(+), 34 deletions(-) diff -puN include/asm-alpha/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-alpha/resource.h --- 25/include/asm-alpha/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-alpha/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-arm26/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-arm26/resource.h --- 25/include/asm-arm26/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-arm26/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-arm/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-arm/resource.h --- 25/include/asm-arm/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-arm/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-cris/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-cris/resource.h --- 25/include/asm-cris/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-cris/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-h8300/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-h8300/resource.h --- 25/include/asm-h8300/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-h8300/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-i386/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-i386/resource.h --- 25/include/asm-i386/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-i386/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-ia64/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-ia64/resource.h --- 25/include/asm-ia64/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-ia64/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-m68k/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-m68k/resource.h --- 25/include/asm-m68k/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-m68k/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-mips/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-mips/resource.h --- 25/include/asm-mips/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-mips/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-parisc/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-parisc/resource.h --- 25/include/asm-parisc/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-parisc/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-ppc64/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-ppc64/resource.h --- 25/include/asm-ppc64/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-ppc64/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-ppc/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-ppc/resource.h --- 25/include/asm-ppc/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-ppc/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-s390/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-s390/resource.h --- 25/include/asm-s390/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-s390/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-sh/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-sh/resource.h --- 25/include/asm-sh/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-sh/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-sparc64/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-sparc64/resource.h --- 25/include/asm-sparc64/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-sparc64/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-sparc/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-sparc/resource.h --- 25/include/asm-sparc/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-sparc/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-v850/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-v850/resource.h --- 25/include/asm-v850/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-v850/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/asm-x86_64/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/asm-x86_64/resource.h --- 25/include/asm-x86_64/resource.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/asm-x86_64/resource.h Tue May 11 15:21:13 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__ */ diff -puN include/linux/signal.h~rlim-add-rlimit-entry-for-controlling-queued-signals include/linux/signal.h --- 25/include/linux/signal.h~rlim-add-rlimit-entry-for-controlling-queued-signals Tue May 11 15:21:13 2004 +++ 25-akpm/include/linux/signal.h Tue May 11 15:21:13 2004 @@ -7,6 +7,9 @@ #include #ifdef __KERNEL__ + +#define MAX_SIGPENDING 1024 + /* * Real Time signals may be queued. */ _