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authororivej <orivej@yandex-team.ru>2022-02-10 16:45:01 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:01 +0300
commit2d37894b1b037cf24231090eda8589bbb44fb6fc (patch)
treebe835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/linux-headers/linux/shm.h
parent718c552901d703c502ccbefdfc3c9028d608b947 (diff)
downloadydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/linux-headers/linux/shm.h')
-rw-r--r--contrib/libs/linux-headers/linux/shm.h218
1 files changed, 109 insertions, 109 deletions
diff --git a/contrib/libs/linux-headers/linux/shm.h b/contrib/libs/linux-headers/linux/shm.h
index a3133dc5aa..1040a38b1a 100644
--- a/contrib/libs/linux-headers/linux/shm.h
+++ b/contrib/libs/linux-headers/linux/shm.h
@@ -1,109 +1,109 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _LINUX_SHM_H_
-#define _LINUX_SHM_H_
-
-#include <linux/ipc.h>
-#include <linux/errno.h>
-#include <asm-generic/hugetlb_encode.h>
-#include <unistd.h>
-
-/*
- * SHMMNI, SHMMAX and SHMALL are default upper limits which can be
- * modified by sysctl. The SHMMAX and SHMALL values have been chosen to
- * be as large possible without facilitating scenarios where userspace
- * causes overflows when adjusting the limits via operations of the form
- * "retrieve current limit; add X; update limit". It is therefore not
- * advised to make SHMMAX and SHMALL any larger. These limits are
- * suitable for both 32 and 64-bit systems.
- */
-#define SHMMIN 1 /* min shared seg size (bytes) */
-#define SHMMNI 4096 /* max num of segs system wide */
-#define SHMMAX (ULONG_MAX - (1UL << 24)) /* max shared seg size (bytes) */
-#define SHMALL (ULONG_MAX - (1UL << 24)) /* max shm system wide (pages) */
-#define SHMSEG SHMMNI /* max shared segs per process */
-
-/* Obsolete, used only for backwards compatibility and libc5 compiles */
-struct shmid_ds {
- struct ipc_perm shm_perm; /* operation perms */
- int shm_segsz; /* size of segment (bytes) */
- __kernel_old_time_t shm_atime; /* last attach time */
- __kernel_old_time_t shm_dtime; /* last detach time */
- __kernel_old_time_t shm_ctime; /* last change time */
- __kernel_ipc_pid_t shm_cpid; /* pid of creator */
- __kernel_ipc_pid_t shm_lpid; /* pid of last operator */
- unsigned short shm_nattch; /* no. of current attaches */
- unsigned short shm_unused; /* compatibility */
- void *shm_unused2; /* ditto - used by DIPC */
- void *shm_unused3; /* unused */
-};
-
-/* Include the definition of shmid64_ds and shminfo64 */
-#include <asm/shmbuf.h>
-
-/*
- * shmget() shmflg values.
- */
-/* The bottom nine bits are the same as open(2) mode flags */
-#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
-#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
-/* Bits 9 & 10 are IPC_CREAT and IPC_EXCL */
-#define SHM_HUGETLB 04000 /* segment will use huge TLB pages */
-#define SHM_NORESERVE 010000 /* don't check for reservations */
-
-/*
- * Huge page size encoding when SHM_HUGETLB is specified, and a huge page
- * size other than the default is desired. See hugetlb_encode.h
- */
-#define SHM_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
-#define SHM_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK
-
-#define SHM_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB
-#define SHM_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
-#define SHM_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB
-#define SHM_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
-#define SHM_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
-#define SHM_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
-#define SHM_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB
-#define SHM_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
-#define SHM_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB
-#define SHM_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
-#define SHM_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
-#define SHM_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
-
-/*
- * shmat() shmflg values
- */
-#define SHM_RDONLY 010000 /* read-only access */
-#define SHM_RND 020000 /* round attach address to SHMLBA boundary */
-#define SHM_REMAP 040000 /* take-over region on attach */
-#define SHM_EXEC 0100000 /* execution access */
-
-/* super user shmctl commands */
-#define SHM_LOCK 11
-#define SHM_UNLOCK 12
-
-/* ipcs ctl commands */
-#define SHM_STAT 13
-#define SHM_INFO 14
-#define SHM_STAT_ANY 15
-
-/* Obsolete, used only for backwards compatibility */
-struct shminfo {
- int shmmax;
- int shmmin;
- int shmmni;
- int shmseg;
- int shmall;
-};
-
-struct shm_info {
- int used_ids;
- __kernel_ulong_t shm_tot; /* total allocated shm */
- __kernel_ulong_t shm_rss; /* total resident shm */
- __kernel_ulong_t shm_swp; /* total swapped shm */
- __kernel_ulong_t swap_attempts;
- __kernel_ulong_t swap_successes;
-};
-
-
-#endif /* _LINUX_SHM_H_ */
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _LINUX_SHM_H_
+#define _LINUX_SHM_H_
+
+#include <linux/ipc.h>
+#include <linux/errno.h>
+#include <asm-generic/hugetlb_encode.h>
+#include <unistd.h>
+
+/*
+ * SHMMNI, SHMMAX and SHMALL are default upper limits which can be
+ * modified by sysctl. The SHMMAX and SHMALL values have been chosen to
+ * be as large possible without facilitating scenarios where userspace
+ * causes overflows when adjusting the limits via operations of the form
+ * "retrieve current limit; add X; update limit". It is therefore not
+ * advised to make SHMMAX and SHMALL any larger. These limits are
+ * suitable for both 32 and 64-bit systems.
+ */
+#define SHMMIN 1 /* min shared seg size (bytes) */
+#define SHMMNI 4096 /* max num of segs system wide */
+#define SHMMAX (ULONG_MAX - (1UL << 24)) /* max shared seg size (bytes) */
+#define SHMALL (ULONG_MAX - (1UL << 24)) /* max shm system wide (pages) */
+#define SHMSEG SHMMNI /* max shared segs per process */
+
+/* Obsolete, used only for backwards compatibility and libc5 compiles */
+struct shmid_ds {
+ struct ipc_perm shm_perm; /* operation perms */
+ int shm_segsz; /* size of segment (bytes) */
+ __kernel_old_time_t shm_atime; /* last attach time */
+ __kernel_old_time_t shm_dtime; /* last detach time */
+ __kernel_old_time_t shm_ctime; /* last change time */
+ __kernel_ipc_pid_t shm_cpid; /* pid of creator */
+ __kernel_ipc_pid_t shm_lpid; /* pid of last operator */
+ unsigned short shm_nattch; /* no. of current attaches */
+ unsigned short shm_unused; /* compatibility */
+ void *shm_unused2; /* ditto - used by DIPC */
+ void *shm_unused3; /* unused */
+};
+
+/* Include the definition of shmid64_ds and shminfo64 */
+#include <asm/shmbuf.h>
+
+/*
+ * shmget() shmflg values.
+ */
+/* The bottom nine bits are the same as open(2) mode flags */
+#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
+#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+/* Bits 9 & 10 are IPC_CREAT and IPC_EXCL */
+#define SHM_HUGETLB 04000 /* segment will use huge TLB pages */
+#define SHM_NORESERVE 010000 /* don't check for reservations */
+
+/*
+ * Huge page size encoding when SHM_HUGETLB is specified, and a huge page
+ * size other than the default is desired. See hugetlb_encode.h
+ */
+#define SHM_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
+#define SHM_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK
+
+#define SHM_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB
+#define SHM_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
+#define SHM_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB
+#define SHM_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
+#define SHM_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
+#define SHM_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
+#define SHM_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB
+#define SHM_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
+#define SHM_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB
+#define SHM_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
+#define SHM_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
+#define SHM_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
+
+/*
+ * shmat() shmflg values
+ */
+#define SHM_RDONLY 010000 /* read-only access */
+#define SHM_RND 020000 /* round attach address to SHMLBA boundary */
+#define SHM_REMAP 040000 /* take-over region on attach */
+#define SHM_EXEC 0100000 /* execution access */
+
+/* super user shmctl commands */
+#define SHM_LOCK 11
+#define SHM_UNLOCK 12
+
+/* ipcs ctl commands */
+#define SHM_STAT 13
+#define SHM_INFO 14
+#define SHM_STAT_ANY 15
+
+/* Obsolete, used only for backwards compatibility */
+struct shminfo {
+ int shmmax;
+ int shmmin;
+ int shmmni;
+ int shmseg;
+ int shmall;
+};
+
+struct shm_info {
+ int used_ids;
+ __kernel_ulong_t shm_tot; /* total allocated shm */
+ __kernel_ulong_t shm_rss; /* total resident shm */
+ __kernel_ulong_t shm_swp; /* total swapped shm */
+ __kernel_ulong_t swap_attempts;
+ __kernel_ulong_t swap_successes;
+};
+
+
+#endif /* _LINUX_SHM_H_ */