xnu-1699.22.81.tar.gz

[apple/xnu.git] / bsd / sys / file_internal.h

diff --git a/bsd/sys/file_internal.h b/bsd/sys/file_internal.h
index ea08133770f3813da8f06a15481edcab8c1a334d..9fcb4d1f32f60b9aba17e32770ba2b7ba0424d4c 100644 (file)
--- a/bsd/sys/file_internal.h
+++ b/bsd/sys/file_internal.h
@@ -99,20 +99,23 @@ struct fileproc {
 #define FP_INCREATE    0x0001
 #define FP_INCLOSE     0x0002
 #define FP_INSELECT    0x0004
-#define FP_INCHRREAD   0x0008
+#define FP_INCHRREAD   0x0000  /* disable FP_INCHRREAD <rdar://6986929> */
 #define FP_WRITTEN     0x0010
 #define FP_CLOSING     0x0020
 #define FP_WAITCLOSE   0x0040
 #define FP_AIOISSUED   0x0080
 #define FP_WAITEVENT   0x0100
+#define FP_SELCONFLICT 0x0200  /* select conflict on an individual fp */
 
-#define FP_VALID_FLAGS (FP_INCREATE | FP_INCLOSE | FP_INSELECT | FP_INCHRREAD | FP_WRITTEN | FP_WRITTEN | FP_CLOSING | FP_WAITCLOSE | FP_AIOISSUED | FP_WAITEVENT)
+#define FP_VALID_FLAGS (FP_INCREATE | FP_INCLOSE | FP_INSELECT | FP_INCHRREAD | FP_WRITTEN | FP_CLOSING | FP_WAITCLOSE | FP_AIOISSUED | FP_WAITEVENT | FP_SELCONFLICT)
 
 
 #ifndef _KAUTH_CRED_T
 #define        _KAUTH_CRED_T
 struct ucred;
 typedef struct ucred *kauth_cred_t;
+struct posix_cred;
+typedef struct posix_cred *posix_cred_t;
 #endif /* !_KAUTH_CRED_T */
 
 /* file types */
@@ -132,6 +135,8 @@ typedef enum {
 #define FG_WINSMSGQ    0x04    /* wait for the fielglob is in msgque */
 #define FG_RMMSGQ      0x08    /* the fileglob is being removed from msgqueue */
 #define FG_WRMMSGQ     0x10    /* wait for the fileglob to  be removed from msgqueue */
+#define FG_PORTMADE    0x20    /* a port was at some point created for this fileglob */
+#define FG_NOSIGPIPE   0x40    /* don't deliver SIGPIPE with EPIPE return */
 
 struct fileglob {
        LIST_ENTRY(fileglob) f_list;/* list of active files */
@@ -158,11 +163,9 @@ struct fileglob {
                int     (*fo_drain)     (struct fileproc *fp, vfs_context_t ctx);
        } *fg_ops;
        off_t   fg_offset;
-       caddr_t fg_data;                /* vnode or socket or SHM or semaphore */
+       void    *fg_data;               /* vnode or socket or SHM or semaphore */
        lck_mtx_t fg_lock;
        int32_t fg_lflags;              /* file global flags */
-       unsigned int fg_lockpc[4];
-       unsigned int fg_unlockpc[4];
 #if CONFIG_MACF
        struct label *fg_label;  /* JMM - use the one in the cred? */
 #endif
@@ -175,6 +178,7 @@ extern struct filelist filehead;    /* head of list of open files */
 extern struct fmsglist fmsghead;       /* head of list of open files */
 extern int maxfiles;                   /* kernel limit on number of open files */
 extern int nfiles;                     /* actual number of open files */
+extern int maxfilesperproc;
 #endif /* __APPLE_API_PRIVATE */
 
 
@@ -216,6 +220,8 @@ void procfdtbl_markclosefd(struct proc * p, int fd);
 void procfdtbl_releasefd(struct proc * p, int fd, struct fileproc * fp);
 void procfdtbl_waitfd(struct proc * p, int fd);
 void procfdtbl_clearfd(struct proc * p, int fd);
+boolean_t filetype_issendable(file_type_t type);
+extern int fdgetf_noref(proc_t, int, struct fileproc **);
 __END_DECLS
 
 #endif /* __APPLE_API_UNSTABLE */