Changeset 1505 for trunk/src/emx/include/InnoTekLIBC

Timestamp:

Sep 12, 2004, 9:40:29 PM (21 years ago)

Author:

bird

Message:

Adding BSD stuff like there was no tomorrow.

Location:

trunk/src/emx/include/InnoTekLIBC

Files:

• backend.h (modified) (2 diffs, 1 prop)
• os2error.h (added)
• sharedpm.h (modified) (3 diffs, 1 prop)

trunk/src/emx/include/InnoTekLIBC/backend.h

@@ -28 +28 @@
 #define __InnoTekLIBC_backend_h__
 
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
 #ifndef __LIBC_THREAD_DECLARED
 #define __LIBC_THREAD_DECLARED
 typedef struct __libc_thread *__LIBC_PTHREAD, **__LIBC_PPTHREAD;
 #endif
+struct statfs;
 
 
-/** @group __libc_Back_thread   LIBC Backend - Threads
+/** @defgroup __libc_Back_thread   LIBC Backend - Threads
  * @{ */
 
@@ -75 +81 @@
 /** @} */
 
-#if defined (__cplusplus)
-}
+
+/** @defgroup __libc_Back_fh   LIBC Backend - File Handles.
+ * @{ */
+
+/**
+ * Try resolve a filehandle to a path.
+ *
+ * @returns 0 on success.
+ * @returns -1 and errno on failure.
+ * @param   fh          The file handle.
+ * @param   pszPath     Where to store the path.
+ * @param   cchPath     The size of he buffer pointed to by pszPath.
+ */
+int __libc_Back_fhToPath(int fh, char *pszPath, size_t cchPath);
+
+/** @} */
+
+
+/** @defgroup __libc_Back_fs   LIBC Backend - File System
+ * @{ */
+
+/**
+ * Get the statistics for the filesystem which pszPath is located on.
+ *
+ * @returns 0 on success.
+ * @returns -1 and errno on failure.
+ * @param   pszPath     The path to somewhere in the filesystem.
+ * @param   pStatFs     Where to store the obtained information.
+ */
+int __libc_Back_fsStat(const char *pszPath, struct statfs *pStatFs);
+
+/**
+ * Get file system statistics
+ *
+ * @returns 0 on success.
+ * @returns -1 and errno on failure.
+ * @param   fh          The filehandle of any file within the mounted file system.
+ * @param   pStatFs     Where to store the statistics.
+ */
+int __libc_Back_fsStatFH(int fh, struct statfs *pStatFs);
+
+/**
+ * Get the statistics for all the mounted filesystems.
+ *
+ * @returns Number of returned statfs structs on success.
+ * @returns Number of mounted filesystems on success if paStatFS is NULL
+ * @returns -1 and errno on failure.
+ * @param   paStatFs    Where to to store the statistics.
+ * @parma   cStatFS     Number of structures the array pointed to by paStatFs can hold.
+ * @param   fFlags      Flags, currently ignored.
+ */
+int __libc_Back_fsStats(struct statfs *paStatFs, unsigned cStatFs, unsigned fFlags);
+
+/**
+ * Schedules all file system buffers for writing.
+ *
+ * See sync() for OS/2 limitations.
+ */
+void __libc_Back_fsSync(void);
+
+/** @} */
+
+
+
+/** @defgroup __libc_Back_misc   LIBC Backend - Miscellaneous
+ * @{ */
+
+/**
+ * Gets the system load averages.
+ * The load is the average values of ready and running threads(/processes)
+ * over the last 1, 5 and 15 minuttes.
+ *
+ * @returns 0 on success.
+ * @returns -1 and errno on failure.
+ * @param   pardAvgs    Where to store the samples.
+ * @param   cAvgs       Number of samples to get. Max is 3.
+ * @remark  See OS/2 limitations in getloadavg().
+ */
+int __libc_Back_miscLoadAvg(double *pardAvgs, unsigned cAvgs);
+
+/** @} */
+
+__END_DECLS
+
 #endif
-
-#endif /* not _EMX_SYSCALLS_H */

trunk/src/emx/include/InnoTekLIBC/sharedpm.h

@@ -298 +298 @@
 
 /**
+ * The structure contains the system load averages.
+ */
+typedef struct __libc_SPMLoadAvg
+{
+    /** Array of the three stamples.
+     * The entries are for 1, 5 and 15 min averages respectively.
+     *
+     * The samples them selfs are stored as integers and not as a
+     * double as the interface returns. The reason is that this is smaller
+     * and it's what both BSD and Linux is doing. The fraction part is
+     * the lower 11 bits (this is also identical to BSD and Linux).
+     */
+    uint32_t                    u32Samples[3];
+    /** Timestamp of the last update. */
+    unsigned                    uTimestamp;
+} __LIBC_SPMLOADAVG;
+/** Pointer to load averages. */
+typedef __LIBC_SPMLOADAVG *__LIBC_PSPMLOADAVG;
+
+
+/**
  * This is the header of the LIBC shared memory.
  */
@@ -336 +357 @@
         char                    ach[16];
     };
+
+    /** System Load Averages. */
+    __LIBC_SPMLOADAVG           LoadAvg;
+
     /* The rest of the block, up to cbProcess, is undefined in this version.
      * Future versions of LIBC may use this area assuming it's initalized with zeros.
@@ -531 +556 @@
 
 /**
+ * Get the stored load average samples.
+ *
+ * @returns 0 on success.
+ * @returns -1 and errno on failure.
+ * @param   pLoadAvg    Where to store the load average samples.
+ * @param   puTimestamp Where to store the current timestamp.
+ */
+int     __libc_spmGetLoadAvg(__LIBC_PSPMLOADAVG  pLoadAvg, unsigned *puTimestamp);
+
+/**
+ * Get the stored load average samples.
+ *
+ * @returns 0 on success.
+ * @returns -1 and errno on failure.
+ * @param   pLoadAvg    Where to store the load average samples.
+ */
+int     __libc_spmSetLoadAvg(const __LIBC_SPMLOADAVG *pLoadAvg);
+
+/**
  * Checks the SPM memory for trouble.
  *