This avoids using a global variable.
Signed-off-by: Huw Davies huw@codeweavers.com --- dlls/wineoss.drv/midi.c | 78 ++++++++++++++++++++++++-------------- dlls/wineoss.drv/unixlib.h | 2 + 2 files changed, 51 insertions(+), 29 deletions(-)
diff --git a/dlls/wineoss.drv/midi.c b/dlls/wineoss.drv/midi.c index 626b3d43d83..09de9d468c9 100644 --- a/dlls/wineoss.drv/midi.c +++ b/dlls/wineoss.drv/midi.c @@ -75,7 +75,6 @@ static int MODM_NumFMSynthDevs = 0; /* this is the total number of MIDI out devices found */ static int MIDM_NumDevs = 0;
-static int midiSeqFD = -1; static int numOpenMidiSeq = 0; static int numStartedMidiIn = 0;
@@ -96,7 +95,7 @@ static HANDLE hThread; *======================================================================*/
static int midiOpenSeq(void); -static int midiCloseSeq(void); +static int midiCloseSeq(int);
static int MIDI_loadcount; /************************************************************************** @@ -206,6 +205,8 @@ static int midi_warn = 1; */ static int midiOpenSeq(void) { + static int midiSeqFD = -1; + if (numOpenMidiSeq == 0) { const char* device; device=getenv("MIDIDEV"); @@ -240,18 +241,17 @@ static int midiOpenSeq(void) ioctl(midiSeqFD, SNDCTL_SEQ_RESET); } numOpenMidiSeq++; - return 0; + return midiSeqFD; }
/************************************************************************** * midiCloseSeq [internal] */ -static int midiCloseSeq(void) +static int midiCloseSeq(int fd) { - if (--numOpenMidiSeq == 0) { - close(midiSeqFD); - midiSeqFD = -1; - } + if (--numOpenMidiSeq == 0) + close(fd); + return 0; }
@@ -269,10 +269,16 @@ SEQ_DEFINEBUF(1024); */ void seqbuf_dump(void) { + int fd; + + /* The device is already open, but there's no way to pass the + fd to this function. Rather than rely on a global variable + we pretend to open the seq again. */ + fd = midiOpenSeq(); if (_seqbufptr) { - if (write(midiSeqFD, _seqbuf, _seqbufptr) == -1) { + if (write(fd, _seqbuf, _seqbufptr) == -1) { WARN("Can't write data to sequencer %d, errno %d (%s)!\n", - midiSeqFD, errno, strerror(errno)); + fd, errno, strerror(errno)); } /* FIXME: * in any case buffer is lost so that if many errors occur the buffer @@ -280,6 +286,7 @@ void seqbuf_dump(void) */ _seqbufptr = 0; } + midiCloseSeq(fd); }
/************************************************************************** @@ -392,8 +399,9 @@ static void midReceiveChar(WORD wDevID, unsigned char value, DWORD dwTime) } }
-static DWORD WINAPI midRecThread(LPVOID arg) +static DWORD WINAPI midRecThread(void *arg) { + int fd = (int)(INT_PTR)arg; unsigned char buffer[256]; int len, idx; DWORD dwTime; @@ -401,7 +409,7 @@ static DWORD WINAPI midRecThread(LPVOID arg)
TRACE("Thread startup\n");
- pfd.fd = midiSeqFD; + pfd.fd = fd; pfd.events = POLLIN;
while(!end_thread) { @@ -411,7 +419,7 @@ static DWORD WINAPI midRecThread(LPVOID arg) if (poll(&pfd, 1, 250) <= 0) continue; - len = read(midiSeqFD, buffer, sizeof(buffer)); + len = read(fd, buffer, sizeof(buffer)); TRACE("Received %d bytes\n", len);
if (len < 0) continue; @@ -470,6 +478,8 @@ static DWORD midGetDevCaps(WORD wDevID, LPMIDIINCAPSW lpCaps, DWORD dwSize) */ static DWORD midOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags) { + int fd; + TRACE("(%04X, %p, %08X);\n", wDevID, lpDesc, dwFlags);
if (lpDesc == NULL) { @@ -501,17 +511,18 @@ static DWORD midOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags) return MMSYSERR_INVALFLAG; }
- if (midiOpenSeq() < 0) { + fd = midiOpenSeq(); + if (fd < 0) { return MMSYSERR_ERROR; }
if (numStartedMidiIn++ == 0) { end_thread = 0; - hThread = CreateThread(NULL, 0, midRecThread, NULL, 0, NULL); + hThread = CreateThread(NULL, 0, midRecThread, (void *)(INT_PTR)fd, 0, NULL); if (!hThread) { numStartedMidiIn = 0; WARN("Couldn't create thread for midi-in\n"); - midiCloseSeq(); + midiCloseSeq(fd); return MMSYSERR_ERROR; } SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL); @@ -525,6 +536,7 @@ static DWORD midOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags) MidiInDev[wDevID].state = 0; MidiInDev[wDevID].incLen = 0; MidiInDev[wDevID].startTime = 0; + MidiInDev[wDevID].fd = fd;
MIDI_NotifyClient(wDevID, MIM_OPEN, 0L, 0L); return MMSYSERR_NOERROR; @@ -551,7 +563,7 @@ static DWORD midClose(WORD wDevID) return MIDIERR_STILLPLAYING; }
- if (midiSeqFD == -1) { + if (MidiInDev[wDevID].fd == -1) { WARN("ooops !\n"); return MMSYSERR_ERROR; } @@ -564,7 +576,8 @@ static DWORD midClose(WORD wDevID) } TRACE("Stopped thread for midi-in\n"); } - midiCloseSeq(); + midiCloseSeq(MidiInDev[wDevID].fd); + MidiInDev[wDevID].fd = -1;
MIDI_NotifyClient(wDevID, MIM_CLOSE, 0L, 0L); MidiInDev[wDevID].midiDesc.hMidi = 0; @@ -745,7 +758,7 @@ extern const unsigned char midiFMDrumsPatches [16 * 128]; /************************************************************************** * modFMLoad [internal] */ -static int modFMLoad(int dev) +static int modFMLoad(int dev, int fd) { int i; struct sbi_instrument sbi; @@ -758,7 +771,7 @@ static int modFMLoad(int dev) sbi.channel = i; memcpy(sbi.operators, midiFMInstrumentPatches + i * 16, 16);
- if (write(midiSeqFD, &sbi, sizeof(sbi)) == -1) { + if (write(fd, &sbi, sizeof(sbi)) == -1) { WARN("Couldn't write patch for instrument %d, errno %d (%s)!\n", sbi.channel, errno, strerror(errno)); return -1; } @@ -767,7 +780,7 @@ static int modFMLoad(int dev) sbi.channel = 128 + i; memcpy(sbi.operators, midiFMDrumsPatches + i * 16, 16);
- if (write(midiSeqFD, &sbi, sizeof(sbi)) == -1) { + if (write(fd, &sbi, sizeof(sbi)) == -1) { WARN("Couldn't write patch for drum %d, errno %d (%s)!\n", sbi.channel, errno, strerror(errno)); return -1; } @@ -833,6 +846,8 @@ static DWORD modGetDevCaps(WORD wDevID, LPMIDIOUTCAPSW lpCaps, DWORD dwSize) */ static DWORD modOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags) { + int fd = -1; + TRACE("(%04X, %p, %08X);\n", wDevID, lpDesc, dwFlags); if (lpDesc == NULL) { WARN("Invalid Parameter !\n"); @@ -870,13 +885,14 @@ static DWORD modOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags) return MMSYSERR_NOMEM; } MidiOutDev[wDevID].lpExtra = extra; - if (midiOpenSeq() < 0) { + fd = midiOpenSeq(); + if (fd < 0) { MidiOutDev[wDevID].lpExtra = 0; HeapFree(GetProcessHeap(), 0, extra); return MMSYSERR_ERROR; } - if (modFMLoad(wDevID) < 0) { - midiCloseSeq(); + if (modFMLoad(wDevID, fd) < 0) { + midiCloseSeq(fd); MidiOutDev[wDevID].lpExtra = 0; HeapFree(GetProcessHeap(), 0, extra); return MMSYSERR_ERROR; @@ -886,7 +902,8 @@ static DWORD modOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags) break; case MOD_MIDIPORT: case MOD_SYNTH: - if (midiOpenSeq() < 0) { + fd = midiOpenSeq(); + if (fd < 0) { return MMSYSERR_ALLOCATED; } break; @@ -900,6 +917,7 @@ static DWORD modOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
MidiOutDev[wDevID].lpQueueHdr = NULL; MidiOutDev[wDevID].midiDesc = *lpDesc; + MidiOutDev[wDevID].fd = fd;
MIDI_NotifyClient(wDevID, MOM_OPEN, 0L, 0L); TRACE("Successful !\n"); @@ -923,15 +941,16 @@ static DWORD modClose(WORD wDevID) /* FIXME: should test that no pending buffer is still in the queue for * playing */
- if (midiSeqFD == -1) { + if (MidiOutDev[wDevID].fd == -1) { WARN("can't close !\n"); return MMSYSERR_ERROR; }
switch (MidiOutDev[wDevID].caps.wTechnology) { case MOD_FMSYNTH: + case MOD_SYNTH: case MOD_MIDIPORT: - midiCloseSeq(); + midiCloseSeq(MidiOutDev[wDevID].fd); break; default: WARN("Technology not supported (yet) %d !\n", @@ -941,6 +960,7 @@ static DWORD modClose(WORD wDevID)
HeapFree(GetProcessHeap(), 0, MidiOutDev[wDevID].lpExtra); MidiOutDev[wDevID].lpExtra = 0; + MidiOutDev[wDevID].fd = -1;
MIDI_NotifyClient(wDevID, MOM_CLOSE, 0L, 0L); MidiOutDev[wDevID].midiDesc.hMidi = 0; @@ -961,7 +981,7 @@ static DWORD modData(WORD wDevID, DWORD dwParam) if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID; if (!MidiOutDev[wDevID].bEnabled) return MIDIERR_NODEVICE;
- if (midiSeqFD == -1) { + if (MidiOutDev[wDevID].fd == -1) { WARN("can't play !\n"); return MIDIERR_NODEVICE; } @@ -1256,7 +1276,7 @@ static DWORD modLongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize) if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID; if (!MidiOutDev[wDevID].bEnabled) return MIDIERR_NODEVICE;
- if (midiSeqFD == -1) { + if (MidiOutDev[wDevID].fd == -1) { WARN("can't play !\n"); return MIDIERR_NODEVICE; } diff --git a/dlls/wineoss.drv/unixlib.h b/dlls/wineoss.drv/unixlib.h index 2b30c5992c7..8c131037b76 100644 --- a/dlls/wineoss.drv/unixlib.h +++ b/dlls/wineoss.drv/unixlib.h @@ -222,6 +222,7 @@ typedef struct midi_src char incLen; UINT startTime; MIDIINCAPSW caps; + int fd; } WINE_MIDIIN;
typedef struct midi_dest @@ -232,6 +233,7 @@ typedef struct midi_dest MIDIHDR *lpQueueHdr; void *lpExtra; /* according to port type (MIDI, FM...), extra data when needed */ MIDIOUTCAPSW caps; + int fd; } WINE_MIDIOUT;
struct midi_init_params